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(x+2)/(x-1)=4
We move all terms to the left:
(x+2)/(x-1)-(4)=0
Domain of the equation: (x-1)!=0We multiply all the terms by the denominator
We move all terms containing x to the left, all other terms to the right
x!=1
x∈R
(x+2)-4*(x-1)=0
We multiply parentheses
(x+2)-4x+4=0
We get rid of parentheses
x-4x+2+4=0
We add all the numbers together, and all the variables
-3x+6=0
We move all terms containing x to the left, all other terms to the right
-3x=-6
x=-6/-3
x=+2
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