-7(7+6n)=21-7n

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Solution for -7(7+6n)=21-7n equation: 



-7(7+6n)=21-7n

We move all terms to the left:

-7(7+6n)-(21-7n)=0

We add all the numbers together, and all the variables

-7(6n+7)-(-7n+21)=0

We multiply parentheses

-42n-(-7n+21)-49=0

We get rid of parentheses

-42n+7n-21-49=0

We add all the numbers together, and all the variables

-35n-70=0

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

-35n=70

n=70/-35

n=-2

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