1/2X=X-20

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Solution for 1/2X=X-20 equation: 


X in (-oo:+oo)

(1/2)*X = X-20 // - X-20

(1/2)*X-X+20 = 0

20-1/2*X = 0 // - 20

-1/2*X = -20 // : -1/2

X = -20/(-1/2)

X = 40

X = 40

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