x/-2+20=4 - solution

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Solution for x/-2+20=4 equation:

x in (-oo:+oo)

x/(-2)+20 = 4 // - 4

x/(-2)-4+20 = 0

16-1/2*x = 0 // - 16

-1/2*x = -16 // : -1/2

x = -16/(-1/2)

x = 32

x = 32

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