1.1 Written Excercises

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Simplify (8 - 3) + 3

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Simplify 9 + (18 - 2)

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Simplify 5 \cdot (11 + 1)

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Simplify (13 - 6) - 7

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Simplify (6 + 12) \div 3

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Simplify 6 + (12 \div 3)

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Simplify the expression 29 - (0 \cdot 9).

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Simplify the expression 5 - (16 \div 4).

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Simplify the expression (8 \cdot 17) + (12 \cdot 17).

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Simplify the expression (12 - 11) - (2 \cdot 11).

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Simplify the expression (26 + 4) \div (30 + 2).

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Simplify the expression (40 \div 10) \div (1 \cdot 4).

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Evaluate the expression 5x if x = 2.

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Evaluate the expression 6y if y = 3.

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Evaluate the expression xy if x = 2 and y = 3.

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Evaluate the expression yz if y = 3 and z = 4.

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Evaluate the expression (4x) + 7 if x = 2.

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Evaluate the expression (3y) - 9 if y = 3.

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Evaluate the expression (5z) - 7 if z = 4.

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Evaluate the expression (8x) + 7 if x = 2.

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Evaluate the expression (2x) + (2y) if x = 2 and y = 3.

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Evaluate the expression (3z) - (4x) if x = 2 and z = 4.

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Evaluate the expression 8 \cdot (y + z) if y = 3 and z = 4.

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Evaluate the expression 7 \cdot (y - x) if x = 2 and y = 3.

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Evaluate the expression \frac{1}{2} \cdot (z - x) if x = 2 and z = 4.

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Evaluate the expression \frac{3}{2} \cdot (y + 6) if y = 3.

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Evaluate the expression (y + x) / (y - x) if x = 2 and y = 3.

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Evaluate the expression (z + y) / (z - y) if y = 3 and z = 4.

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Evaluate the expression (4x) - 8 if x = 2.

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Evaluate the expression 4z - (8x) if x = 2 and z = 4.

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Evaluate the expression (5yz) - x if x = 2, y = 3, and z = 4.

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Evaluate the expression 8 + (9xy) if x = 2 and y = 3.

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Evaluate the expression for the area of a rectangle lw if l = 25 and w = 12.

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Evaluate the expression for the perimeter of a rectangle (2l) + (2w) if l = 25 and w = 12.

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Evaluate the expression for the perimeter of a triangle (a + b) + c if a = 10, b = 24, and c = 26.

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Evaluate the expression for the area of a right triangle \frac{1}{2} \cdot (ab) if a = 10 and b = 24.

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Evaluate the expression for the temperature in degrees Fahrenheit given degrees Celsius (1.8C) + 32 if C = 37.

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Evaluate the expression for the distance in meters traveled by an object falling for t seconds \frac{1}{2} \cdot g(t \cdot t) if g = 9.8 and t = 16.

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Evaluate the expression for simple interest on a loan of P dollars Prt if P = 5000, r = 0.125, and t = 2.

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Evaluate the expression for the cost of cents of electricity to operate an electric light for one hour \frac{(p \cdot c)}{1000} if p = 75 and c = 9.5.

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Find a value for n that makes the equation 4n = 12 true.

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Find a value for x that makes the equation 8x = 16 true.

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Find a value for y that makes the equation y + 3 = 3 + y true.

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Find a value for m that makes the equation m + 5 = 5 true.

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Find a value for y that makes the equation \frac{1}{2} = y = 3 \cdot 2 true.

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Find a value for y that makes the equation \frac{3}{4} + y = 0.75 + y true.

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Solve the equation a \cdot a = 2a.

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Solve the equation z \cdot 8 = z.

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Simplify (8 - 3) + 3

Simplify 9 + (18 - 2)

Simplify 5 \cdot (11 + 1)

Simplify (13 - 6) - 7

Simplify (6 + 12) \div 3

Simplify 6 + (12 \div 3)

Simplify the expression 29 - (0 \cdot 9).

Simplify the expression 5 - (16 \div 4).

Simplify the expression (8 \cdot 17) + (12 \cdot 17).

Simplify the expression (12 - 11) - (2 \cdot 11).

Simplify the expression (26 + 4) \div (30 + 2).

Simplify the expression (40 \div 10) \div (1 \cdot 4).

Evaluate the expression 5x if x = 2.

Evaluate the expression 6y if y = 3.

Evaluate the expression xy if x = 2 and y = 3.

Evaluate the expression yz if y = 3 and z = 4.

Evaluate the expression (4x) + 7 if x = 2.

Evaluate the expression (3y) - 9 if y = 3.

Evaluate the expression (5z) - 7 if z = 4.

Evaluate the expression (8x) + 7 if x = 2.

Evaluate the expression (2x) + (2y) if x = 2 and y = 3.

Evaluate the expression (3z) - (4x) if x = 2 and z = 4.

Evaluate the expression 8 \cdot (y + z) if y = 3 and z = 4.

Evaluate the expression 7 \cdot (y - x) if x = 2 and y = 3.

Evaluate the expression \frac{1}{2} \cdot (z - x) if x = 2 and z = 4.

Evaluate the expression \frac{3}{2} \cdot (y + 6) if y = 3.

Evaluate the expression (y + x) / (y - x) if x = 2 and y = 3.

Evaluate the expression (z + y) / (z - y) if y = 3 and z = 4.

Evaluate the expression (4x) - 8 if x = 2.

Evaluate the expression 4z - (8x) if x = 2 and z = 4.

Evaluate the expression (5yz) - x if x = 2, y = 3, and z = 4.

Evaluate the expression 8 + (9xy) if x = 2 and y = 3.

Evaluate the expression for the area of a rectangle lw if l = 25 and w = 12.

Evaluate the expression for the perimeter of a rectangle (2l) + (2w) if l = 25 and w = 12.

Evaluate the expression for the perimeter of a triangle (a + b) + c if a = 10, b = 24, and c = 26.

Evaluate the expression for the area of a right triangle \frac{1}{2} \cdot (ab) if a = 10 and b = 24.

Evaluate the expression for the temperature in degrees Fahrenheit given degrees Celsius (1.8C) + 32 if C = 37.

Evaluate the expression for the distance in meters traveled by an object falling for t seconds \frac{1}{2} \cdot g(t \cdot t) if g = 9.8 and t = 16.

Evaluate the expression for simple interest on a loan of P dollars Prt if P = 5000, r = 0.125, and t = 2.

Evaluate the expression for the cost of cents of electricity to operate an electric light for one hour \frac{(p \cdot c)}{1000} if p = 75 and c = 9.5.

Find a value for n that makes the equation 4n = 12 true.

Find a value for x that makes the equation 8x = 16 true.

Find a value for y that makes the equation y + 3 = 3 + y true.

Find a value for m that makes the equation m + 5 = 5 true.

Find a value for y that makes the equation \frac{1}{2} = y = 3 \cdot 2 true.

Find a value for y that makes the equation \frac{3}{4} + y = 0.75 + y true.

Solve the equation a \cdot a = 2a.

Solve the equation z \cdot 8 = z.

Solve the equation (b \cdot b) + 3 = 4b.