n/2+7=3n/4

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Solution for n/2+7=3n/4 equation: 


n in (-oo:+oo)

n/2+7 = (3*n)/4 // - (3*n)/4

n/2-((3*n)/4)+7 = 0

n/2+(-3/4)*n+7 = 0

7-1/4*n = 0 // - 7

-1/4*n = -7 // : -1/4

n = -7/(-1/4)

n = 28

n = 28

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