3/(5-2x)=7/2

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Solution for 3/(5-2x)=7/2 equation: 


D( x )

5-(2*x) = 0

5-(2*x) = 0

5-(2*x) = 0

5-2*x = 0

5-2*x = 0 // - 5

-2*x = -5 // : -2

x = -5/(-2)

x = 5/2

x in (-oo:5/2) U (5/2:+oo)

3/(5-(2*x)) = 7/2 // - 7/2

3/(5-(2*x))-(7/2) = 0

3/(5-2*x)-7/2 = 0

(2*3)/(2*(5-2*x))+(-7*(5-2*x))/(2*(5-2*x)) = 0

2*3-7*(5-2*x) = 0

14*x-29 = 0

(14*x-29)/(2*(5-2*x)) = 0

(14*x-29)/(2*(5-2*x)) = 0 // * 2*(5-2*x)

14*x-29 = 0

14*x-29 = 0 // + 29

14*x = 29 // : 14

x = 29/14

x = 29/14

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