3/5=21/m

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Solution for 3/5=21/m equation: 


D( m )

m = 0

m = 0

m = 0

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

3/5 = 21/m // - 21/m

3/5-(21/m) = 0

3/5-21*m^-1 = 0

-21*m^-1 = -3/5 // : -21

m^-1 = 1/35

-1 < 0

1/(m^1) = 1/35 // * m^1

1 = 1/35*m^1 // : 1/35

35 = m^1

m = 35

m = 35

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