15+7.9n=9+8.3n

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Solution for 15+7.9n=9+8.3n equation: 



15+7.9n=9+8.3n

We move all terms to the left:

15+7.9n-(9+8.3n)=0

We add all the numbers together, and all the variables

7.9n-(8.3n+9)+15=0

We get rid of parentheses

7.9n-8.3n-9+15=0

We add all the numbers together, and all the variables

-0.4n+6=0

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

-0.4n=-6

n=-6/-0.4

n=+15

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