Use the distributive property and combine like terms to produce an equivalent expression.
Which of the following expressions ARE equivalent to the expression? (Hint: there are three answers!)
Determine the solution to the equation.
12
-12
The equation has infinitely many solutions
The equation has no solution
Determine how many solutions the following equation has:
one solution
no solution
infinitely many solutions
Solve the equation.
x = 30
x = -40
x = 40
x = -30
Which of the following equations has no solution?
-3x + 1 = x + 9 - 4x
16x - 24 = 8(2x - 3)
2x + 18 = 2(x + 9)
22y = 11(3 + y)
Pam charges $40 a day and $0.25 per mile to rent a mo-ped. Keri charges $25 a day plus $0.45 per mile. Write and solve an equation for when the two charges would be THE SAME.
x = 750
x = 75
x = 7.5
x = 0.75
Amy and Chip solved two separate equations. Check their work.
Did they both solve correctly?
Did one solve it correctly?
Did they both make errors?
Amy & Chip both solved correctly.
Amy & Chip both solved incorrectly since they both distributed wrong.