Solving Multi-Step Equations

What is the first step in this equation?

3x + 5 = 20

• Add 5 and 20

• Subtract 5 from both sides of the equation

• Add 3 and 5

• Multiply 3 by 5

What is the next step in the equation?

3x = 15

• Divide both sides by 3

• Add 3 and 15

• Subtract 3 and 15

• Multiply 3 and 15

What is the final answer?

• 45

• 18

• 5

• 12

What is the inverse of multiplication?

• Addition

• Subtraction

• Multiplication

• Division

12g - 5 = 19

Which is the correct 1st step?

• Add 12 to both sides

• Add 5 to both sides

• Add 19 to both sides

• Multiply both sides by 12

• Divide both sides by 12

• Multiply both sides by 24

• Divide both sides by 24

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

Solve  3x - 7 = 32

• 13
• -13
• 12
• -12

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

What is the inverse operation needed to solve the following one-step equation?
z - 123 = 98

• subtraction
• addition
• multiplication
• division