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-11/4-r=-8.25
We move all terms to the left:
-11/4-r-(-8.25)=0
We add all the numbers together, and all the variables
-1r+8.25-11/4=0
We multiply all the terms by the denominator
-1r*4-11+(8.25)*4=0
We add all the numbers together, and all the variables
-1r*4+22=0
Wy multiply elements
-4r+22=0
We move all terms containing r to the left, all other terms to the right
-4r=-22
r=-22/-4
r=5+1/2
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