2=2/m-7

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Solution for 2=2/m-7 equation: 


D( m )

m = 0

m = 0

m = 0

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

2 = 2/m-7 // - 2/m-7

2-(2/m)+7 = 0

2-2*m^-1+7 = 0

-2*m^-1 = -9 // : -2

m^-1 = 9/2

-1 < 0

1/(m^1) = 9/2 // * m^1

1 = 9/2*m^1 // : 9/2

2/9 = m^1

m = 2/9

m = 2/9

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