n/2+3=7

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Solution for n/2+3=7 equation: 


n in (-oo:+oo)

n/2+3 = 7 // - 7

n/2-7+3 = 0

1/2*n-4 = 0 // + 4

1/2*n = 4 // : 1/2

n = 4/1/2

n = 8

n = 8

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