15n-20+10n=130

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Solution for 15n-20+10n=130 equation: 



15n-20+10n=130

We move all terms to the left:

15n-20+10n-(130)=0

We add all the numbers together, and all the variables

25n-150=0

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

25n=150

n=150/25

n=6

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