15n+30-4n=9n+80

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Solution for 15n+30-4n=9n+80 equation: 



15n+30-4n=9n+80

We move all terms to the left:

15n+30-4n-(9n+80)=0

We add all the numbers together, and all the variables

11n-(9n+80)+30=0

We get rid of parentheses

11n-9n-80+30=0

We add all the numbers together, and all the variables

2n-50=0

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

2n=50

n=50/2

n=25

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