0=r-1

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Solution for 0=r-1 equation:



0=r-1
We move all terms to the left:
0-(r-1)=0
We add all the numbers together, and all the variables
-(r-1)=0
We get rid of parentheses
-r+1=0
We add all the numbers together, and all the variables
-1r+1=0
We move all terms containing r to the left, all other terms to the right
-r=-1
r=-1/-1
r=1

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