3(-7n+8)=129

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Solution for 3(-7n+8)=129 equation: 



3(-7n+8)=129

We move all terms to the left:

3(-7n+8)-(129)=0

We multiply parentheses

-21n+24-129=0

We add all the numbers together, and all the variables

-21n-105=0

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

-21n=105

n=105/-21

n=-5

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