-5(n-7)=3n-21

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Solution for -5(n-7)=3n-21 equation: 



-5(n-7)=3n-21

We move all terms to the left:

-5(n-7)-(3n-21)=0

We multiply parentheses

-5n-(3n-21)+35=0

We get rid of parentheses

-5n-3n+21+35=0

We add all the numbers together, and all the variables

-8n+56=0

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

-8n=-56

n=-56/-8

n=+7

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