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.25(4r-8)=2r+1/2
We move all terms to the left:
.25(4r-8)-(2r+1/2)=0
We add all the numbers together, and all the variables
.25(4r-8)-(+2r+1/2)=0
We multiply parentheses
r-(+2r+1/2)-2=0
We get rid of parentheses
r-2r-2-1/2=0
We multiply all the terms by the denominator
r*2-2r*2-1-2*2=0
We add all the numbers together, and all the variables
r*2-2r*2-5=0
Wy multiply elements
2r-4r-5=0
We add all the numbers together, and all the variables
-2r-5=0
We move all terms containing r to the left, all other terms to the right
-2r=5
r=5/-2
r=-2+1/2
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