1/2x+5=x-20 - solution

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Solution for 1/2x+5=x-20 equation:

x in (-oo:+oo)

(1/2)*x+5 = x-20 // - x-20

(1/2)*x-x+5+20 = 0

25-1/2*x = 0 // - 25

-1/2*x = -25 // : -1/2

x = -25/(-1/2)

x = 50

x = 50

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