one-step equations

• x = 12
• x = 1
• x = 16
• x = 3

x − 7 = 13

• 19

• 20

• 21

• 22

   6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

3+x=19

What is the first step?

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply by 3 on both sides

• Divide by 3 on both sides

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Equations

What is the opposite (inverse) of subtracting 4?

b - 4 = 12

• Adding 4

• Multiplying by 4

• Dividing by 4

• Subtract 4

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Equations

Match the following equations with the correct inverse operation:

• multiply by 7

• divide by 7

• 7x = 21

• subtract 7

• x - 7 = 12

• add 7

• x + 7 = 12

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What does inverse operation mean?

• the same operation

• any operation I choose

• the opposite operation

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Equations

x - 8 = -5 

• 13
• -13
• 3
• -3