-5-7(7-3n)=180

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Solution for -5-7(7-3n)=180 equation: 



-5-7(7-3n)=180

We move all terms to the left:

-5-7(7-3n)-(180)=0

We add all the numbers together, and all the variables

-7(-3n+7)-5-180=0

We add all the numbers together, and all the variables

-7(-3n+7)-185=0

We multiply parentheses

21n-49-185=0

We add all the numbers together, and all the variables

21n-234=0

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

21n=234

n=234/21

n=11+1/7

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