9/m=27/21

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Solution for 9/m=27/21 equation: 


D( m )

m = 0

m = 0

m = 0

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

9/m = 27/21 // - 27/21

9/m-(27/21) = 0

9/m-9/7 = 0

9*m^-1 = 9/7 // : 9

m^-1 = 1/7

-1 < 0

1/(m^1) = 1/7 // * m^1

1 = 1/7*m^1 // : 1/7

7 = m^1

m = 7

m = 7

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