Dec6 General Review on Expressions and Equations

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CCSS.7.EE.A.1

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CCSS.7.EE.A.1

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

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CCSS.7.EE.A.1

x² + 2 − 1 + 6x² − 4x²

• x ²  -1
• x² +1
• 3x² +1
• x ²+3

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CCSS.6.EE.A.3

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CCSS.6.EE.A.3

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CCSS.6.EE.A.3

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CCSS.6.EE.A.3

What is the first step to solve for b:

2b = -16

• add 2 to both sides

• subtract 2 to both sides

• multiply 2 to both sides

• divide 2 to both sides

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CCSS.6.EE.B.7

• x = 20
• x = 7
• x = 10
• x = 3

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CCSS.6.EE.B.7

What is the first step to solving this equation?

• add -8 to both sides

• subtract -8 to both sides

• Multiply -8 to both sides

• divide -8 to both sides

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CCSS.6.EE.B.7