3n-n/2=15

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Solution for 3n-n/2=15 equation: 



3n-n/2=15

We move all terms to the left:

3n-n/2-(15)=0

We multiply all the terms by the denominator


3n*2-n-15*2=0

We add all the numbers together, and all the variables

-1n+3n*2-30=0

Wy multiply elements

-1n+6n-30=0

We add all the numbers together, and all the variables

5n-30=0

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

5n=30

n=30/5

n=6

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