7/m=3/9

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Solution for 7/m=3/9 equation: 


D( m )

m = 0

m = 0

m = 0

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

7/m = 3/9 // - 3/9

7/m-(3/9) = 0

7/m-1/3 = 0

7*m^-1 = 1/3 // : 7

m^-1 = 1/21

-1 < 0

1/(m^1) = 1/21 // * m^1

1 = 1/21*m^1 // : 1/21

21 = m^1

m = 21

m = 21

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