3n-7=2n+5n

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Solution for 3n-7=2n+5n equation: 



3n-7=2n+5n

We move all terms to the left:

3n-7-(2n+5n)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3n-7n-7=0

We add all the numbers together, and all the variables

-4n-7=0

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

-4n=7

n=7/-4

n=-1+3/4

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