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OpenStudy (anonymous):
Jordan wrote the following steps to simplify the expression: 5x – (3x + 2 + 4x). Step Mathematical Statement Justification 0 5x – (3x + 2 + 4x) Given 1 5x – (3x + 4x + 2) Associative Property of Addition 2 5x – (7x + 2) Combine Like Terms 3 5x – 7x – 2 Distributive Property 4 (5x – 7x) – 2 Associative Property of Addition 5 –2x – 2 Combine Like Terms Which step of justification is incorrect, and what should the justification for that step be to simplify the expression?
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