5/(m-3)=8/(m-9)

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Solution for 5/(m-3)=8/(m-9) equation: 


D( m )

m-3 = 0

m-9 = 0

m-3 = 0

m-3 = 0

m-3 = 0 // + 3

m = 3

m-9 = 0

m-9 = 0

m-9 = 0 // + 9

m = 9

m in (-oo:3) U (3:9) U (9:+oo)

5/(m-3) = 8/(m-9) // - 8/(m-9)

5/(m-3)-(8/(m-9)) = 0

5/(m-3)-8*(m-9)^-1 = 0

5/(m-3)-8/(m-9) = 0

(5*(m-9))/((m-3)*(m-9))+(-8*(m-3))/((m-3)*(m-9)) = 0

5*(m-9)-8*(m-3) = 0

-3*m-21 = 0

(-3*m-21)/((m-3)*(m-9)) = 0

(-3*m-21)/((m-3)*(m-9)) = 0 // * (m-3)*(m-9)

-3*m-21 = 0

-3*m-21 = 0 // + 21

-3*m = 21 // : -3

m = 21/(-3)

m = -7

m = -7

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