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offthacharts

  • 4 years ago

Jennifer wrote the following steps to simplify the expression: 3 – (x + 2x – 5). Step Mathematical Statement Justification 0 3 – (x + 2x – 5) Given 1 3 – x – 2x + 5 Distributive Property 2 3 + 5 – x – 2x Commutative Property of Addition 3 (3 + 5) + (–x – 2x) Commutative Property of Addition 4 8 – 3x Combine Like Terms Which step of justification is incorrect, and what should the justification for that step be to simplify the expression? Answer Step 4; Multiplication Property of Equality Step 1; Commutative Property of Multiplication Step 3; Associative Propert

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  1. aroub
    • 4 years ago
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    Step 3; Associative Propert

  2. JustinB
    • 4 years ago
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    step 3

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