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4r+12/8=2r-6/8
We move all terms to the left:
4r+12/8-(2r-6/8)=0
We add all the numbers together, and all the variables
4r-(+2r-6/8)+12/8=0
We get rid of parentheses
4r-2r+6/8+12/8=0
We multiply all the terms by the denominator
4r*8-2r*8+6+12=0
We add all the numbers together, and all the variables
4r*8-2r*8+18=0
Wy multiply elements
32r-16r+18=0
We add all the numbers together, and all the variables
16r+18=0
We move all terms containing r to the left, all other terms to the right
16r=-18
r=-18/16
r=-1+1/8
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