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Mathematics 15 Online
OpenStudy (anonymous):

Which one is wrong? What should it be? Step Mathematical Statement Justification 4 – (2x + 3x – 1) Given ----------------------------- 4 – 2x – 3x + 1 Distributive Property ----------------------------- 4 + 1 – 2x – 3x Associative Property of Addition ----------------------------- (4 + 1) + (–2x – 3x) Associative Property of Addition ----------------------------- 5 – 5x Combine Like Terms

OpenStudy (dumbcow):

step 3 should be Communitive property of addition

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