15/(3x)=(5x)/(4x)

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Solution for 15/(3x)=(5x)/(4x) equation: 


D( x )

3*x = 0

4*x = 0

3*x = 0

3*x = 0

3*x = 0 // : 3

x = 0

4*x = 0

4*x = 0

4*x = 0 // : 4

x = 0

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

15/(3*x) = (5*x)/(4*x) // - (5*x)/(4*x)

15/(3*x)-((5*x)/(4*x)) = 0

15/(3*x)-5/4 = 0

5*x^-1 = 5/4 // : 5

x^-1 = 1/4

-1 < 0

1/(x^1) = 1/4 // * x^1

1 = 1/4*x^1 // : 1/4

4 = x^1

x = 4

x = 4

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