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r-87/2=5
We move all terms to the left:
r-87/2-(5)=0
determiningTheFunctionDomain r-5-87/2=0
We multiply all the terms by the denominator
r*2-87-5*2=0
We add all the numbers together, and all the variables
r*2-97=0
Wy multiply elements
2r-97=0
We move all terms containing r to the left, all other terms to the right
2r=97
r=97/2
r=48+1/2
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