3n-15=5+.5n

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Solution for 3n-15=5+.5n equation: 



3n-15=5+.5n

We move all terms to the left:

3n-15-(5+.5n)=0

We add all the numbers together, and all the variables

3n-(.5n+5)-15=0

We get rid of parentheses

3n-.5n-5-15=0

We add all the numbers together, and all the variables

2.5n-20=0

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

2.5n=20

n=20/2.5

n=8

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