-7n+4(1-3n)=-129

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Solution for -7n+4(1-3n)=-129 equation: 



-7n+4(1-3n)=-129

We move all terms to the left:

-7n+4(1-3n)-(-129)=0

We add all the numbers together, and all the variables

-7n+4(-3n+1)-(-129)=0

We add all the numbers together, and all the variables

-7n+4(-3n+1)+129=0

We multiply parentheses

-7n-12n+4+129=0

We add all the numbers together, and all the variables

-19n+133=0

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

-19n=-133

n=-133/-19

n=+7

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