(2x-4)/(x+2)=1/2

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Solution for (2x-4)/(x+2)=1/2 equation:


D( x )

x+2 = 0

x+2 = 0

x+2 = 0

x+2 = 0 // - 2

x = -2

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

(2*x-4)/(x+2) = 1/2 // - 1/2

(2*x-4)/(x+2)-(1/2) = 0

(2*x-4)/(x+2)-1/2 = 0

(2*(2*x-4))/(2*(x+2))+(-1*(x+2))/(2*(x+2)) = 0

2*(2*x-4)-1*(x+2) = 0

3*x-10 = 0

(3*x-10)/(2*(x+2)) = 0

(3*x-10)/(2*(x+2)) = 0 // * 2*(x+2)

3*x-10 = 0

3*x-10 = 0 // + 10

3*x = 10 // : 3

x = 10/3

x = 10/3

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