818/(20-x)=50

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Solution for 818/(20-x)=50 equation: 


D( x )

20-x = 0

20-x = 0

20-x = 0

20-x = 0 // - 20

-x = -20 // * -1

x = 20

x in (-oo:20) U (20:+oo)

818/(20-x) = 50 // - 50

818/(20-x)-50 = 0

818/(20-x)+(-50*(20-x))/(20-x) = 0

818-50*(20-x) = 0

50*x-182 = 0

(50*x-182)/(20-x) = 0

(50*x-182)/(20-x) = 0 // * 20-x

50*x-182 = 0

50*x-182 = 0 // + 182

50*x = 182 // : 50

x = 182/50

x = 91/25

x = 91/25

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