15+6.8n=9+7.2n

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Solution for 15+6.8n=9+7.2n equation: 



15+6.8n=9+7.2n

We move all terms to the left:

15+6.8n-(9+7.2n)=0

We add all the numbers together, and all the variables

6.8n-(7.2n+9)+15=0

We get rid of parentheses

6.8n-7.2n-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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