-14=-2x-(x-7)

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Solution for -14=-2x-(x-7) equation: 



-14=-2x-(x-7)

We move all terms to the left:

-14-(-2x-(x-7))=0



We calculate terms in parentheses: -(-2x-(x-7)), so:

-2x-(x-7)

We get rid of parentheses

-2x-x+7

We add all the numbers together, and all the variables

-3x+7

Back to the equation:

-(-3x+7)



We get rid of parentheses

3x-7-14=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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