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r+172/25=22
We move all terms to the left:
r+172/25-(22)=0
determiningTheFunctionDomain r-22+172/25=0
We multiply all the terms by the denominator
r*25+172-22*25=0
We add all the numbers together, and all the variables
r*25-378=0
Wy multiply elements
25r-378=0
We move all terms containing r to the left, all other terms to the right
25r=378
r=378/25
r=15+3/25
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