8x-31=-4(1-7x)+7x

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Solution for 8x-31=-4(1-7x)+7x equation: 



8x-31=-4(1-7x)+7x

We move all terms to the left:

8x-31-(-4(1-7x)+7x)=0

We add all the numbers together, and all the variables

8x-(-4(-7x+1)+7x)-31=0



We calculate terms in parentheses: -(-4(-7x+1)+7x), so:

-4(-7x+1)+7x

We add all the numbers together, and all the variables

7x-4(-7x+1)

We multiply parentheses

7x+28x-4

We add all the numbers together, and all the variables

35x-4

Back to the equation:

-(35x-4)



We get rid of parentheses

8x-35x+4-31=0

We add all the numbers together, and all the variables

-27x-27=0

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

-27x=27

x=27/-27

x=-1

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