n/2+3=15 - solution

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Solution for n/2+3=15 equation:

n in (-oo:+oo)

n/2+3 = 15 // - 15

n/2-15+3 = 0

1/2*n-12 = 0 // + 12

1/2*n = 12 // : 1/2

n = 12/1/2

n = 24

n = 24

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