18+n/2=7

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Solution for 18+n/2=7 equation: 


n in (-oo:+oo)

n/2+18 = 7 // - 7

n/2-7+18 = 0

1/2*n+11 = 0 // - 11

1/2*n = -11 // : 1/2

n = -11/1/2

n = -22

n = -22

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