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r-54/8=3
We move all terms to the left:
r-54/8-(3)=0
determiningTheFunctionDomain r-3-54/8=0
We multiply all the terms by the denominator
r*8-54-3*8=0
We add all the numbers together, and all the variables
r*8-78=0
Wy multiply elements
8r-78=0
We move all terms containing r to the left, all other terms to the right
8r=78
r=78/8
r=9+3/4
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