31-4x=-2x-7(6x+7)

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Solution for 31-4x=-2x-7(6x+7) equation: 



31-4x=-2x-7(6x+7)

We move all terms to the left:

31-4x-(-2x-7(6x+7))=0



We calculate terms in parentheses: -(-2x-7(6x+7)), so:

-2x-7(6x+7)

We multiply parentheses

-2x-42x-49

We add all the numbers together, and all the variables

-44x-49

Back to the equation:

-(-44x-49)



We get rid of parentheses

-4x+44x+49+31=0

We add all the numbers together, and all the variables

40x+80=0

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

40x=-80

x=-80/40

x=-2

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