Simplifying Expressions and Equations

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CCSS.7.EE.A.1

Simplify: 4(5x + 2) - 6

• 20x - 4

• 28x - 6

• 9x

• 20x + 2

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CCSS.6.EE.A.3

Simplify: 6y + 7 - 3y + 3

• 9y + 10

• 3y + 4

• 3y + 10

• 9y + 4

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CCSS.7.EE.A.1

Simplify: 4 - 5(3t + 3)

• -15t - 11

• -15t + 16

• 15t - 11

• 15t + 16

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CCSS.6.EE.A.3

Simplify the expression: 5(x + 2) + 2x.

Mathematical Equivalence

ON

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CCSS.6.EE.A.3

Match the expressions with their simplified versions

• 14x+5

• 4x+7y-2x+3y

• 2x+10y

• 2y+4+10y

• 12y+4

• 3x+7x+4x

• y+5

• 17x+10-3x-5

• 17x

• 5y+8-4y-3

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6.EEI.A.3

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides

• Add the 2a and a 

• Distribute 4 to a and -5

• Distribute -4 to a and -5

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CCSS.8.EE.C.7B

Simplify 17x + 29 - 21 - 4x

Mathematical Equivalence

ON

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CCSS.7.EE.A.1

Simplify the expression: 7(y + 3) - 2y.

Mathematical Equivalence

ON

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CCSS.6.EE.A.3

5(x - 3) + 2x = 27

• x = 3

• x = 42/15

• x = 30/7

• x = 6

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CCSS.8.EE.C.7B