Modeling With Two-Step Equations

What is the first step to solve this equation?

• add 4 to both sides

• divide by 2 on both sides

• subtract 10 on both sides

• subtract 4 from both sides

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CCSS.7.EE.B.4A

• A

• B

• C

• D

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CCSS.HSA.CED.A.3

• F

• G

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• J

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CCSS.7.EE.B.4A

• A

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• D

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CCSS.7.EE.B.4B

Write an equation for the model above.

• x + 3 = -9

• x - 3 = 9

• 3x + 1 = 9

• 3x - 1 = 9

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CCSS.HSA.CED.A.3

Write the equation for the model.

• 10=2-x

• -10=-x+2

• -10=x-2

• -10=x+2

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CCSS.HSA.CED.A.3

Write the equation for the model. (white square=1 rectangle=x red square = -1)

• 7=x+3

• 7=x+(-3)

• 7=-x+3

• -7=x-3

What is the equation and the solution for the given model?

• 3x-4=5 x=1

• 3-4x=5 x=-2

• 3-4x=5 x=2

• 3x-4=5 x=3

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CCSS.7.EE.B.4A

• A

• B

• C

• D

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CCSS.6.EE.B.8

• F

• G

• H

• J

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CCSS.7.EE.B.4A