r/2-2=-1

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Solution for r/2-2=-1 equation:



r/2-2=-1
We move all terms to the left:
r/2-2-(-1)=0
We add all the numbers together, and all the variables
r/2-1=0
We multiply all the terms by the denominator
r-1*2=0
We add all the numbers together, and all the variables
r-2=0
We move all terms containing r to the left, all other terms to the right
r=2

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