Solving Equations

3c = 12

• 36

• 4

• 15

• 9

x - 12 = 2

• 24

• 10

• 20

• 14

9 + x = 18

• 10

• 8

• 9

• 2

The inverse/opposite operation of addition is ______________.

• subtraction

• addition

• multiplication

• division

The inverse/opposite operation of division is ______________.

• addition

• multiplication

• subtraction

• division

• 1.8

• 2.6

• 45

• 65

To solve a two-step equation, first you undo any​ (a)   or ​ (b)   . Then you undo any ​ (c)   or ​ (d)   .

• addition
• subtraction
• multiplication
• division

What is the first step you should do to solve this equation?

• Multiply by -3 on both sides.

• Subtract 33 from both sides

• Subtract 19 from both sides

• Divide by -3 on both sides

What is the first step you should do to solve this equation?

• Multiply by 10 on both sides.

• Subtract 18 from both sides

• Subtract 28 from both sides

• Divide by 10 on both sides

What is the first step you should do to solve this equation?

• Add 31 to both sides

• Subtract 31 from both sides

• Subtract 5 from both sides

• Divide by -6 on both sides