3(-7n+7)=147

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Solution for 3(-7n+7)=147 equation: 



3(-7n+7)=147

We move all terms to the left:

3(-7n+7)-(147)=0

We multiply parentheses

-21n+21-147=0

We add all the numbers together, and all the variables

-21n-126=0

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

-21n=126

n=126/-21

n=-6

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