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Mathematics 7 Online
OpenStudy (anonymous):

Select the correct reason for statement 2. Prove: 9 + 3x + (x ∙ 4) = 7x + 9 Statements Reasons 1. 9 + 3x + (x ∙ 4) 1. Given 2. 9 + 3x + 4x 2. 3. 9 + 7x 3. Addition 4. 7x + 9 4. Commutative Property (Points : 1) Commutative Property Multiplication Addition Associative Property

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