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-100/r=-26
We move all terms to the left:
-100/r-(-26)=0
Domain of the equation: r!=0We add all the numbers together, and all the variables
r∈R
-100/r+26=0
We multiply all the terms by the denominator
26*r-100=0
We add all the numbers together, and all the variables
26r-100=0
We move all terms containing r to the left, all other terms to the right
26r=100
r=100/26
r=3+11/13
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