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6.8=3+2d
We move all terms to the left:
6.8-(3+2d)=0
We add all the numbers together, and all the variables
-(2d+3)+6.8=0
We get rid of parentheses
-2d-3+6.8=0
We add all the numbers together, and all the variables
-2d+3.8=0
We move all terms containing d to the left, all other terms to the right
-2d=-3.8
d=-3.8/-2
d=1+1/1.1111111111111
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