-7(-5n+7)=126

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Solution for -7(-5n+7)=126 equation: 



-7(-5n+7)=126

We move all terms to the left:

-7(-5n+7)-(126)=0

We multiply parentheses

35n-49-126=0

We add all the numbers together, and all the variables

35n-175=0

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

35n=175

n=175/35

n=5

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