15n-n+6+7=4n+n

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Solution for 15n-n+6+7=4n+n equation: 



15n-n+6+7=4n+n

We move all terms to the left:

15n-n+6+7-(4n+n)=0

We add all the numbers together, and all the variables

15n-n-(+5n)+6+7=0

We add all the numbers together, and all the variables

14n-(+5n)+13=0

We get rid of parentheses

14n-5n+13=0

We add all the numbers together, and all the variables

9n+13=0

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

9n=-13

n=-13/9

n=-1+4/9

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