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r+31/2=3
We move all terms to the left:
r+31/2-(3)=0
determiningTheFunctionDomain r-3+31/2=0
We multiply all the terms by the denominator
r*2+31-3*2=0
We add all the numbers together, and all the variables
r*2+25=0
Wy multiply elements
2r+25=0
We move all terms containing r to the left, all other terms to the right
2r=-25
r=-25/2
r=-12+1/2
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