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85/r+51=52
We move all terms to the left:
85/r+51-(52)=0
Domain of the equation: r!=0We add all the numbers together, and all the variables
r∈R
85/r-1=0
We multiply all the terms by the denominator
-1*r+85=0
We add all the numbers together, and all the variables
-1r+85=0
We move all terms containing r to the left, all other terms to the right
-r=-85
r=-85/-1
r=+85
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