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39/5=2d
We move all terms to the left:
39/5-(2d)=0
We multiply all the terms by the denominator
-2d*5+39=0
Wy multiply elements
-10d+39=0
We move all terms containing d to the left, all other terms to the right
-10d=-39
d=-39/-10
d=3+9/10
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