20/22=90/m

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Solution for 20/22=90/m equation: 


D( m )

m = 0

m = 0

m = 0

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

20/22 = 90/m // - 90/m

20/22-(90/m) = 0

20/22-90*m^-1 = 0

-90*m^-1 = -10/11 // : -90

m^-1 = 1/99

-1 < 0

1/(m^1) = 1/99 // * m^1

1 = 1/99*m^1 // : 1/99

99 = m^1

m = 99

m = 99

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