-137=-3(6-7n)+7

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Solution for -137=-3(6-7n)+7 equation: 



-137=-3(6-7n)+7

We move all terms to the left:

-137-(-3(6-7n)+7)=0

We add all the numbers together, and all the variables

-(-3(-7n+6)+7)-137=0



We calculate terms in parentheses: -(-3(-7n+6)+7), so:

-3(-7n+6)+7

We multiply parentheses

21n-18+7

We add all the numbers together, and all the variables

21n-11

Back to the equation:

-(21n-11)



We get rid of parentheses

-21n+11-137=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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