(2-4x)/(7x)=(5)/(2)

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Solution for (2-4x)/(7x)=(5)/(2) equation: 


D( x )

7*x = 0

7*x = 0

7*x = 0

7*x = 0 // : 7

x = 0

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

(2-(4*x))/(7*x) = 5/2 // - 5/2

(2-(4*x))/(7*x)-(5/2) = 0

(2-4*x)/(7*x)-5/2 = 0

(2*(2-4*x))/(2*7*x)+(-5*7*x)/(2*7*x) = 0

2*(2-4*x)-5*7*x = 0

4-43*x = 0

(4-43*x)/(2*7*x) = 0

(4-43*x)/(2*7*x) = 0 // * 2*7*x

4-43*x = 0

4-43*x = 0 // - 4

-43*x = -4 // : -43

x = -4/(-43)

x = 4/43

x = 4/43

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