-7(3n+6)=126

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Solution for -7(3n+6)=126 equation: 



-7(3n+6)=126

We move all terms to the left:

-7(3n+6)-(126)=0

We multiply parentheses

-21n-42-126=0

We add all the numbers together, and all the variables

-21n-168=0

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

-21n=168

n=168/-21

n=-8

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