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When solving the equation 4(3x^2 +2)-9=8x^2+7. Emily wrote 4(3x + 2)=8x^2 + 16 as her first step. Which property justifies Emily's first step? State a reason why 1) Addition Property of Equality 2)Commutative
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When solving the equation 4(3x^2 +2)-9=8x^2+7. Emily wrote 4(3x + 2)=8x^2 + 16 as her first step. Which property justifies Emily's first step? State a reason why

1) Addition Property of Equality
2)Commutative Property of Addition
3) Multiplication Property of Equality
4) Distributive Property of Multiplication Over Addition

User Knitti
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When solving the equation 4(3x^2 +2)-9=8x^2+7. Emily wrote 4(3x + 2)=8x^2 + 16 as-example-1
User Eric Pruitt
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