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1.34=d/2-1.2
We move all terms to the left:
1.34-(d/2-1.2)=0
We get rid of parentheses
-d/2+1.2+1.34=0
We multiply all the terms by the denominator
-d+(1.2)*2+(1.34)*2=0
We add all the numbers together, and all the variables
-1d+5.08=0
We move all terms containing d to the left, all other terms to the right
-d=-5.08
d=-5.08/-1
d=5+0.08/1
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