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7x-8x+4=5x-2 solve for x

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7x-8x+4=5x-2 solve for x

asked Dec 26, 2015 229k views

1 vote

7x-8x+4=5x-2 solve for x

Mathematics
high-school

by NadZ

8.1k points

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2 Answers

4 votes

$7x-8x+4=5x-2 \\ 4+2=5x-7x+8x \\ 6=6x \\ 6/6=x \\ 1=x$

Vrbsm answered Dec 28, 2015

by Vrbsm

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2 votes

7x - 8x + 4 = 5x - 2

7x - 8x - 5x = -2 - 4

-6x = -6

x = 1

Steck answered Dec 30, 2015

by Steck

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