-n+7(3-5n)=309

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Solution for -n+7(3-5n)=309 equation: 



-n+7(3-5n)=309

We move all terms to the left:

-n+7(3-5n)-(309)=0

We add all the numbers together, and all the variables

-n+7(-5n+3)-309=0

We add all the numbers together, and all the variables

-1n+7(-5n+3)-309=0

We multiply parentheses

-1n-35n+21-309=0

We add all the numbers together, and all the variables

-36n-288=0

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

-36n=288

n=288/-36

n=-8

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