-40n-56=81(1+7n)-64

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Solution for -40n-56=81(1+7n)-64 equation: 



-40n-56=81(1+7n)-64

We move all terms to the left:

-40n-56-(81(1+7n)-64)=0

We add all the numbers together, and all the variables

-40n-(81(7n+1)-64)-56=0



We calculate terms in parentheses: -(81(7n+1)-64), so:

81(7n+1)-64

We multiply parentheses

567n+81-64

We add all the numbers together, and all the variables

567n+17

Back to the equation:

-(567n+17)



We get rid of parentheses

-40n-567n-17-56=0

We add all the numbers together, and all the variables

-607n-73=0

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

-607n=73

n=73/-607

n=-73/607

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