Solve for x: -2(x + 3) = -2(x + 1) - 4

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asked Nov 7, 2015 62.2k views

5 votes

Solve for x: -2(x + 3) = -2(x + 1) - 4

Mathematics
high-school

Sylvia Rodriguez asked

by Sylvia Rodriguez

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2 Answers

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$-2(x + 3) = -2(x + 1) - 4\\ -2x-6=-2x-2-4\\ -6=-6\\ x\in\mathbb{R}$

Pete Hamilton answered Nov 8, 2015

by Pete Hamilton

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$-2(x+3)=-2(x+1)-4\\\\-2x-6=-2x-2-4\\\\-2x-6=-2x-6\ \ \ \ |add\ (-2x)\ to\ both\ sides\\\\-6=-6\ \ TRUE\\\\ infinitely\ many\ solutions,\ x\in\mathbb{R}.$

Solve for x: -2(x + 3) = -2(x + 1) - 4-example-1

Roman Tumaykin answered Nov 13, 2015

by Roman Tumaykin

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