-7=n+5-3n

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Solution for -7=n+5-3n equation: 



-7=n+5-3n

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-2n+5)-7=0

We get rid of parentheses

2n-5-7=0

We add all the numbers together, and all the variables

2n-12=0

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

2n=12

n=12/2

n=6

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