-4(5n+2)=31-7n

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Solution for -4(5n+2)=31-7n equation: 



-4(5n+2)=31-7n

We move all terms to the left:

-4(5n+2)-(31-7n)=0

We add all the numbers together, and all the variables

-4(5n+2)-(-7n+31)=0

We multiply parentheses

-20n-(-7n+31)-8=0

We get rid of parentheses

-20n+7n-31-8=0

We add all the numbers together, and all the variables

-13n-39=0

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

-13n=39

n=39/-13

n=-3

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