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Prove 16 + 3x - (7x

Prove 16 + 3x - (7x + 4) = -4(x - 3)

StatementReason
16 + 3x - (7x + 4) = Given
16 + 3x - 1(7x + 4) Identity Property of Multiplication
16 + 3x + (-1)(7x + 4) Definition of Subtraction
16 + 3x + (-7x) + (-4) Distributive Property
16 + (-4) + 3x + (-7x) Commutative Property of Addition
12 + (-4x) Addition
-4x + 12 Commutative Property of Addition
-4(x - 3) Distributive Property
Created by: smurphy1
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