(2x-7)/(x+1)=3

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Solution for (2x-7)/(x+1)=3 equation: 


D( x )

x+1 = 0

x+1 = 0

x+1 = 0

x+1 = 0 // - 1

x = -1

x in (-oo:-1) U (-1:+oo)

(2*x-7)/(x+1) = 3 // - 3

(2*x-7)/(x+1)-3 = 0

(2*x-7)/(x+1)+(-3*(x+1))/(x+1) = 0

2*x-3*(x+1)-7 = 0

-x-10 = 0

(-x-10)/(x+1) = 0

(-x-10)/(x+1) = 0 // * x+1

-x-10 = 0

-x-10 = 0 // + 10

-x = 10 // * -1

x = -10

x = -10

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