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2r+4=3r+1/2
We move all terms to the left:
2r+4-(3r+1/2)=0
We add all the numbers together, and all the variables
2r-(+3r+1/2)+4=0
We get rid of parentheses
2r-3r+4-1/2=0
We multiply all the terms by the denominator
2r*2-3r*2-1+4*2=0
We add all the numbers together, and all the variables
2r*2-3r*2+7=0
Wy multiply elements
4r-6r+7=0
We add all the numbers together, and all the variables
-2r+7=0
We move all terms containing r to the left, all other terms to the right
-2r=-7
r=-7/-2
r=3+1/2
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