r=3,12-r

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Solution for r=3,12-r equation:



r=3.12-r
We move all terms to the left:
r-(3.12-r)=0
We add all the numbers together, and all the variables
r-(-1r+3.12)=0
We get rid of parentheses
r+1r-3.12=0
We add all the numbers together, and all the variables
2r-3.12=0
We move all terms containing r to the left, all other terms to the right
2r=3.12
r=3.12/2
r=1+1/1.7857142857143

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