20=u/2+8 - solution

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Solution for 20=u/2+8 equation:

u in (-oo:+oo)

20 = u/2+8 // - u/2+8

20-(u/2)-8 = 0

12-1/2*u = 0 // - 12

-1/2*u = -12 // : -1/2

u = -12/(-1/2)

u = 24

u = 24

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