-6/x=-15/(x+3)

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Solution for -6/x=-15/(x+3) equation: 


D( x )

x = 0

x+3 = 0

x = 0

x = 0

x+3 = 0

x+3 = 0

x+3 = 0 // - 3

x = -3

x in (-oo:-3) U (-3:0) U (0:+oo)

-6/x = -15/(x+3) // + -15/(x+3)

-(-15/(x+3))-6/x = 0

15*(x+3)^-1-6/x = 0

15/(x+3)-6/x = 0

(15*x)/(x*(x+3))+(-6*(x+3))/(x*(x+3)) = 0

15*x-6*(x+3) = 0

9*x-18 = 0

(9*x-18)/(x*(x+3)) = 0

(9*x-18)/(x*(x+3)) = 0 // * x*(x+3)

9*x-18 = 0

9*x-18 = 0 // + 18

9*x = 18 // : 9

x = 18/9

x = 2

x = 2

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