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Mathematics 23 Online
OpenStudy (anonymous):

Karen wrote the following steps to simplify the expression: 4 – (2x + 3x – 1). Step Mathematical Statement Justification 0 4 – (2x + 3x – 1) Given 1 4 – 2x – 3x + 1 Distributive Property 2 4 + 1 – 2x – 3x Associative Property of Addition 3 (4 + 1) + (–2x – 3x) Associative Property of Addition 4 5 – 5x 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; Distributive Property Step 2; Commutative Property of Addition Step 3; Associative Property of Multiplicati

OpenStudy (anonymous):

Step 1; Multiplication Property of Equality

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