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Copy of Solving Equations Basics (7/21/2024)

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Last updated 10 months ago
55 questions
Note from the author:

Essential Question: How do we solve algebraic equations using opposite operations?


Learning Target: Students will be able to solve algebraic equations representing real-world situations that involve multiple steps to solve.


Complete the entire assignment and show work for full credit.

Essential Question: How do we solve algebraic equations using opposite operations?


Learning Target: Students will be able to solve algebraic equations representing real-world situations that involve multiple steps to solve.


Complete the entire assignment and show work for full credit.

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Day 1 8/30/23

Opposite Operations and Solving Equations

Required
5
Question 1
1.

Vocabulary: In your own words, what does it mean to isolate a variable?

Required
5
Question 2
2.

Vocabulary: In your own words, what is an inverse operation?

Question 3
3.

Match the operation with its inverse.

Draggable itemarrow_right_altCorresponding Item
inverse of division
arrow_right_alt
subtraction
inverse of multiplication
arrow_right_alt
addition
inverse of subtraction
arrow_right_alt
division
inverse of addition
arrow_right_alt
multiplication
Question 4
4.

What is the first step to solve this equation?

Question 5
5.

Solve this equation.

Question 6
6.

What is the first step to solve this equation?

Question 7
7.

Solve this equation




Question 8
8.

What is the first step to solve this equation?

Question 9
9.

Solve this equation.


Question 10
10.

Put these operations in the order by which you perform them to simplify an expression. (first to last)

  1. parentheses ( )
  2. subtraction
  3. multiplication
  4. exponents
  5. addition
  6. division
Question 11
11.

To solve an equation we need to undo operations to isolate a variable. So, we need to undo PEMDAS. This means we need to work in a different order.

Put these operations in the order by which you perform them to solve an equation. (first to last)

  1. addition and subtraction (outside parentheses)
  2. multiplication and division (outside parentheses)
  3. parentheses ( )
Question 12
12.

Solve this equation




Question 13
13.

Solve this equation




Question 14
14.

Solve this equation




Question 15
15.

Solve this equation




Question 16
16.

Solve this equation




Question 17
17.

Solve this equation




Question 18
18.

Solve this equation




Question 19
19.

Solve this equation




Question 20
20.

Solve this equation




Day 2 8/31/23

Video Notes: Solving 2-step equations


Question 21
21.

Put the steps to solving this equation in the right order.

  1. add 7 to both sides of the equation
  2. the result is x=7
  3. divide both sides of the equation by 3
  4. Before we start solving, we identify the variable a, so we can solve for it the variable
Question 22
22.

Solve this equation.


Question 23
23.

What is the first step to solving this equation?

Question 24
24.

What is the second step to solving this equation?

Question 25
25.

Solve this equation.


Question 26
26.

Solve this equation.

17 + 3k = 26


Question 27
27.

Solve this equation.

4b - 5 = -33

Question 28
28.

Solve this equation.

8 + 9c = - 10

Question 29
29.

Solve this equation.

12y + 25 = - 35

Question 30
30.

Solve this equation.

15h - 9 = - 54

Question 31
31.

Solve this equation.

8 - 10x = - 32

Question 32
32.

Solve this equation.

- 16 - 2j = - 34

Question 33
33.

Solve this equation.

Question 34
34.

Solve this equation.

Question 35
35.

Solve this equation.

Question 36
36.

Solve this equation.

The examples below are different in that the multiplication/division is done FIRST, followed by the addition/subtraction.

Question 37
37.

Solve this equation.


Question 38
38.

Question 39
39.

Day 3 9-1-22

Spiral Review

Question 40
40.

Translate this expression.

“eighteen less than a number”

Question 41
41.

Translate this expression.

“twice a number plus four”

Question 42
42.

Write each expression in words

-4x+13

Question 43
43.

Which words or phrases have the same meaning as multiplication?

Question 44
44.

Directions: Give the perimeter of each figure as a simplified expression.

Question 45
45.

Evaluate each expression using the variable replacements.


Question 46
46.

The expression 6x² gives the surface area of a cube, where x is the length of one side of the cube. Find the surface area of a cube with a side length of 5 meters. (Be sure to use the correct unit in your answer)


Solving Multi-Step Equations

Question 47
47.
Use your notes from page 5 to list the 3 steps you use to solve multi-step equations.

1._______
2._______
3._______
Question 48
48.

Put the steps in the correct order to solve this multistep equation.


  1. Use distribution to multiply (7a+5) by -4 to get -28a - 20
  2. The solution is a = 5
  3. undo subtract 20 by adding 20 to both sides of the equations to get -28a = -140
  4. undo multiplying by -28 by dividing by both sides of the equation by -28 to get a = 5
  5. Check the solution by evaluating the original expression -4(7a+5) to verify that it equals -160
Question 49
49.

Solve this multi-step equation. Show your work (SYW)

Question 50
50.

Put the steps in the correct order to solve this multistep equation.


  1. Check the solution by evaluating the original expression -4x -7 - 3x +4 to verify that it equals 25
  2. The solution is x = -4
  3. undo multiplying by -7 by dividing by both sides of the equation by -7 to get x = -4
  4. undo subtract 3 by adding 3 to both sides of the equations to get -7x = 28
  5. Simplify like terms to get the equation -7x - 3 = 25
Question 51
51.

Solve this multi-step equation. Show your work (SYW)

Question 52
52.

Put the steps in the correct order to solve this multistep equation.



  1. Simplify like terms to get the equation 13k - 6 = 7
  2. Use distribution to multiply (5k-3) by 2 to get 3k+10k-6=7
  3. undo multiplying by 13 by dividing by both sides of the equation by 13 to get k = 1
  4. undo subtract 6 by adding 6 to both sides of the equations to get 13k = 13
  5. The solution is k = 1
  6. Check the solution by evaluating the original expression 3k+2(5k-3) to verify that it equals 7
Question 53
53.

Solve this multi-step equation. Show your work (SYW)

Question 54
54.

Solve this multi-step equation. Show your work (SYW)

Question 55
55.

Solve this multi-step equation. Show your work (SYW)