31-7n=-8(4-7n)

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Solution for 31-7n=-8(4-7n) equation: 



31-7n=-8(4-7n)

We move all terms to the left:

31-7n-(-8(4-7n))=0

We add all the numbers together, and all the variables

-7n-(-8(-7n+4))+31=0



We calculate terms in parentheses: -(-8(-7n+4)), so:

-8(-7n+4)

We multiply parentheses

56n-32

Back to the equation:

-(56n-32)



We get rid of parentheses

-7n-56n+32+31=0

We add all the numbers together, and all the variables

-63n+63=0

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

-63n=-63

n=-63/-63

n=1

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