n+(n/2)=15 - solution

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Solution for n+(n/2)=15 equation:

n in (-oo:+oo)

n+n/2 = 15 // - 15

n+n/2-15 = 0

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

3/2*n = 15 // : 3/2

n = 15/3/2

n = 10

n = 10

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