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3/2r=3
We move all terms to the left:
3/2r-(3)=0
Domain of the equation: 2r!=0We multiply all the terms by the denominator
r!=0/2
r!=0
r∈R
-3*2r+3=0
Wy multiply elements
-6r+3=0
We move all terms containing r to the left, all other terms to the right
-6r=-3
r=-3/-6
r=1/2
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