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3/4r=27
We move all terms to the left:
3/4r-(27)=0
Domain of the equation: 4r!=0We multiply all the terms by the denominator
r!=0/4
r!=0
r∈R
-27*4r+3=0
Wy multiply elements
-108r+3=0
We move all terms containing r to the left, all other terms to the right
-108r=-3
r=-3/-108
r=1/36
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