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-r-25/2=-14
We move all terms to the left:
-r-25/2-(-14)=0
We add all the numbers together, and all the variables
-1r+14-25/2=0
We multiply all the terms by the denominator
-1r*2-25+14*2=0
We add all the numbers together, and all the variables
-1r*2+3=0
Wy multiply elements
-2r+3=0
We move all terms containing r to the left, all other terms to the right
-2r=-3
r=-3/-2
r=1+1/2
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