4/(0,5x+2)+2=5

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Solution for 4/(0,5x+2)+2=5 equation: 


D( x )

0.5*x+2 = 0

0.5*x+2 = 0

0.5*x+2 = 0

0.5*x+2 = 0 // - 2

0.5*x = -2 // : 0.5

x = -2/0.5

x = -4

x in (-oo:-4) U (-4:+oo)

4/(0.5*x+2)+2 = 5 // - 5

4/(0.5*x+2)-5+2 = 0

4/(0.5*x+2)+(-5*(0.5*x+2))/(0.5*x+2)+(2*(0.5*x+2))/(0.5*x+2) = 0

2*(0.5*x+2)-5*(0.5*x+2)+4 = 0

x-2.5*x-6+4 = 0

-1.5*x-2 = 0

(-1.5*x-2)/(0.5*x+2) = 0

(-1.5*x-2)/(0.5*x+2) = 0 // * 0.5*x+2

-1.5*x-2 = 0

-1.5*x-2 = 0 // + 2

-1.5*x = 2 // : -1.5

x = 2/(-1.5)

x = -1.33333333

x = -1.33333333

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