(z-1)/(z+1)=1

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Solution for (z-1)/(z+1)=1 equation: 



(z-1)/(z+1)=1

We move all terms to the left:

(z-1)/(z+1)-(1)=0



Domain of the equation: (z+1)!=0

We move all terms containing z to the left, all other terms to the right

z!=-1

z∈R



We multiply all the terms by the denominator


(z-1)-1*(z+1)=0

We get rid of parentheses

z-1*(z+1)-1=0

We move all terms containing z to the left, all other terms to the right

z-1*(z+1)=1

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