-8x-7=3(4-x)

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Solution for -8x-7=3(4-x) equation: 



-8x-7=3(4-x)

We move all terms to the left:

-8x-7-(3(4-x))=0

We add all the numbers together, and all the variables

-8x-(3(-1x+4))-7=0



We calculate terms in parentheses: -(3(-1x+4)), so:

3(-1x+4)

We multiply parentheses

-3x+12

Back to the equation:

-(-3x+12)



We get rid of parentheses

-8x+3x-12-7=0

We add all the numbers together, and all the variables

-5x-19=0

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

-5x=19

x=19/-5

x=-3+4/5

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