-7(-3-7n)=168

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Solution for -7(-3-7n)=168 equation: 



-7(-3-7n)=168

We move all terms to the left:

-7(-3-7n)-(168)=0

We add all the numbers together, and all the variables

-7(-7n-3)-168=0

We multiply parentheses

49n+21-168=0

We add all the numbers together, and all the variables

49n-147=0

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

49n=147

n=147/49

n=3

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