15=n+7.2

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Solution for 15=n+7.2 equation: 



15=n+7.2

We move all terms to the left:

15-(n+7.2)=0

We get rid of parentheses

-n-7.2+15=0

We add all the numbers together, and all the variables

-1n+7.8=0

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

-n=-7.8

n=-7.8/-1

n=7+0.8/1

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