12+1.5n=15+0.5n

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Solution for 12+1.5n=15+0.5n equation: 



12+1.5n=15+0.5n

We move all terms to the left:

12+1.5n-(15+0.5n)=0

We add all the numbers together, and all the variables

1.5n-(0.5n+15)+12=0

We get rid of parentheses

1.5n-0.5n-15+12=0

We add all the numbers together, and all the variables

n-3=0

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

n=3

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