(3x+8)/(x+2)=5

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Solution for (3x+8)/(x+2)=5 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)

(3*x+8)/(x+2) = 5 // - 5

(3*x+8)/(x+2)-5 = 0

(3*x+8)/(x+2)+(-5*(x+2))/(x+2) = 0

3*x-5*(x+2)+8 = 0

-2*x-2 = 0

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

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

-2*x-2 = 0

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

-2*x = 2 // : -2

x = 2/(-2)

x = -1

x = -1

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