r-(r-1)+(-1)=

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Solution for r-(r-1)+(-1)= equation:


r-(r-1)+(-1)=0

We simplify the equation to the form, which is simple to understand 
r-(r-1)+(-1)=0

Remove unnecessary parentheses
r-1r+1+(-1)=0

Remove unnecessary parentheses
+r-1r+1-1=0

We move all terms containing r to the left and all other terms to the right. 
+1r-1r=0-1+1

We simplify left and right side of the equation. 
r=0

0=0

This equation is an identity, so all real numbers are solutions.

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