To undo an operation, you must do its opposite or inverse to both sides of the equation. Match each operation to its inverse.

• Division

• Division

• Subtraction

• Subtraction

• Addition

• Addition

• Multiplication

• Multiplication

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CCSS.HSA.REI.A.1

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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7.11.B

-8x + 9 = 33

• 3

• 50

• 16

• -3

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7.11.B

What is the FIRST step in solving this equation?

• subtract 3 from each side

• add three to each side

• subtract 2 from each side

• add 2 to each side

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7.11.B

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

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7.11.B

Solve for x:

4x + 1 = 5

Write your answer as a whole number (Simplify)

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7.11.B

• add 30 to both sides

• subtract 30 from both sides

• multiply both sides by 30

• divide both sides by 30

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CCSS.HSA.REI.A.1