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-r/3.5=9.2
We move all terms to the left:
-r/3.5-(9.2)=0
We add all the numbers together, and all the variables
-r/3.5-9.2=0
We multiply all the terms by the denominator
-r-(9.2)*3.5=0
We add all the numbers together, and all the variables
-1r-32.2=0
We move all terms containing r to the left, all other terms to the right
-r=32.2
r=32.2/-1
r=-32+0.2/1
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