12x+13=8x+(-7)

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Solution for 12x+13=8x+(-7) equation: 



12x+13=8x+(-7)

We move all terms to the left:

12x+13-(8x+(-7))=0



We calculate terms in parentheses: -(8x+(-7)), so:

8x+(-7)

We add all the numbers together, and all the variables

8x-7

Back to the equation:

-(8x-7)



We get rid of parentheses

12x-8x+7+13=0

We add all the numbers together, and all the variables

4x+20=0

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

4x=-20

x=-20/4

x=-5

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