(100)/x-1=20

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Solution for (100)/x-1=20 equation: 


D( x )

x = 0

x = 0

x = 0

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

100/x-1 = 20 // - 20

100/x-20-1 = 0

100*x^-1 = 21 // : 100

x^-1 = 21/100

-1 < 0

1/(x^1) = 21/100 // * x^1

1 = 21/100*x^1 // : 21/100

100/21 = x^1

x = 100/21

x = 100/21

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