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-4.3r+16.6r+3.86=7.5+13.7r
We move all terms to the left:
-4.3r+16.6r+3.86-(7.5+13.7r)=0
We add all the numbers together, and all the variables
-4.3r+16.6r-(13.7r+7.5)+3.86=0
We add all the numbers together, and all the variables
12.3r-(13.7r+7.5)+3.86=0
We get rid of parentheses
12.3r-13.7r-7.5+3.86=0
We add all the numbers together, and all the variables
-1.4r-3.64=0
We move all terms containing r to the left, all other terms to the right
-1.4r=3.64
r=3.64/-1.4
r=-2+0.84/1.4
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