(-1)/(5x)-(7)/(15x)=(5)/(15)

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Solution for (-1)/(5x)-(7)/(15x)=(5)/(15) equation:


D( x )

15*x = 0

5*x = 0

15*x = 0

15*x = 0

15*x = 0 // : 15

x = 0

5*x = 0

5*x = 0

5*x = 0 // : 5

x = 0

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

-1/(5*x)-(7/(15*x)) = 5/15 // - 5/15

-1/(5*x)-(7/(15*x))-(5/15) = 0

(-7/15)*x^-1-1/(5*x)-1/3 = 0

-2/3*x^-1 = 1/3 // : -2/3

x^-1 = -1/2

-1 < 0

1/(x^1) = -1/2 // * x^1

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

-2 = x^1

x = -2

x = -2

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