-3(6n+7)=9-n

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Solution for -3(6n+7)=9-n equation: 



-3(6n+7)=9-n

We move all terms to the left:

-3(6n+7)-(9-n)=0

We add all the numbers together, and all the variables

-3(6n+7)-(-1n+9)=0

We multiply parentheses

-18n-(-1n+9)-21=0

We get rid of parentheses

-18n+1n-9-21=0

We add all the numbers together, and all the variables

-17n-30=0

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

-17n=30

n=30/-17

n=-1+13/17

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