d-3.9=8.2

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Solution for d-3.9=8.2 equation:



d-3.9=8.2
We move all terms to the left:
d-3.9-(8.2)=0
We add all the numbers together, and all the variables
d-12.1=0
We move all terms containing d to the left, all other terms to the right
d=12.1

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