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+8.8=3R+7
We move all terms to the left:
+8.8-(3R+7)=0
We get rid of parentheses
-3R-7+8.8=0
We add all the numbers together, and all the variables
-3R+1.8=0
We move all terms containing R to the left, all other terms to the right
-3R=-1.8
R=-1.8/-3
R=1/1.66666666667
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