2x-(7x+8)=8x-21

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Solution for 2x-(7x+8)=8x-21 equation: 



2x-(7x+8)=8x-21

We move all terms to the left:

2x-(7x+8)-(8x-21)=0

We get rid of parentheses

2x-7x-8x-8+21=0

We add all the numbers together, and all the variables

-13x+13=0

We move all terms containing x to the left, all other terms to the right

-13x=-13

x=-13/-13

x=1

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