3+n/2=13 - solution

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Solution for 3+n/2=13 equation:

n in (-oo:+oo)

n/2+3 = 13 // - 13

n/2-13+3 = 0

1/2*n-10 = 0 // + 10

1/2*n = 10 // : 1/2

n = 10/1/2

n = 20

n = 20

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