-30/x=-40/x-2

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Solution for -30/x=-40/x-2 equation: 


D( x )

x = 0

x = 0

x = 0

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

-30/x = -40/x-2 // + -40/x-2

2-30/x-(-40/x) = 0

40*x^-1-30/x+2 = 0

10*x^-1 = -2 // : 10

x^-1 = -1/5

-1 < 0

1/(x^1) = -1/5 // * x^1

1 = -1/5*x^1 // : -1/5

-5 = x^1

x = -5

x = -5

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