-4(3+4n)=15-7n

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Solution for -4(3+4n)=15-7n equation: 



-4(3+4n)=15-7n

We move all terms to the left:

-4(3+4n)-(15-7n)=0

We add all the numbers together, and all the variables

-4(4n+3)-(-7n+15)=0

We multiply parentheses

-16n-(-7n+15)-12=0

We get rid of parentheses

-16n+7n-15-12=0

We add all the numbers together, and all the variables

-9n-27=0

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

-9n=27

n=27/-9

n=-3

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