30+.15n=15+.20n

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Solution for 30+.15n=15+.20n equation: 



30+.15n=15+.20n

We move all terms to the left:

30+.15n-(15+.20n)=0

We add all the numbers together, and all the variables

.15n-(.20n+15)+30=0

We get rid of parentheses

.15n-.20n-15+30=0

We add all the numbers together, and all the variables

-0.05n+15=0

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

-0.05n=-15

n=-15/-0.05

n=+300

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