(X-20)/x=0.8

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Solution for (X-20)/x=0.8 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

(X-20)/x = 0.8 // - 0.8

(X-20)/x-0.8 = 0

(X-20)/x+(-0.8*x)/x = 0

X-0.8*x-20 = 0

(X-0.8*x-20)/x = 0

(X-0.8*x-20)/x = 0 // * x

X-0.8*x-20 = 0

X-0.8*x-20 = 0 // - X-20

-0.8*x = -(X-20) // : -0.8

x = (-(X-20))/(-0.8)

x = -1.25*(20-X)

x = -1.25*(20-X)

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