3 years ago

Simplify. –7 + 2(x – 3) A. x - 10 B. x - 13 C. 2x - 10 D. 2x - 13

2 answers:

7 0

$-7+2(x-3)\\use\ distributive\ property:a(b+c)=ab+ac\\\\-7+2(x)+2(-3)=-7+2x-6\\use\ commutative\ property:a+b=b+a\\\\2x+(-7)+(-6)=\boxed{2x-13}\to\boxed{D}$

butalik [34]3 years ago

6 0

$-7 + 2(x -3) =-7+2x-6=2x-13$

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