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2/3+r=8
We move all terms to the left:
2/3+r-(8)=0
determiningTheFunctionDomain r-8+2/3=0
We multiply all the terms by the denominator
r*3+2-8*3=0
We add all the numbers together, and all the variables
r*3-22=0
Wy multiply elements
3r-22=0
We move all terms containing r to the left, all other terms to the right
3r=22
r=22/3
r=7+1/3
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