X=15-n/2

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Solution for X=15-n/2 equation: 



X=15-X/2

We move all terms to the left:

X-(15-X/2)=0

We add all the numbers together, and all the variables

X-(-X/2+15)=0

We get rid of parentheses

X+X/2-15=0

We multiply all the terms by the denominator


X*2+X-15*2=0

We add all the numbers together, and all the variables

X+X*2-30=0

Wy multiply elements

X+2X-30=0

We add all the numbers together, and all the variables

3X-30=0

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

3X=30

X=30/3

X=10

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