4.1d=0.81+4.2d

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Solution for 4.1d=0.81+4.2d equation:



4.1d=0.81+4.2d
We move all terms to the left:
4.1d-(0.81+4.2d)=0
We add all the numbers together, and all the variables
4.1d-(4.2d+0.81)=0
We get rid of parentheses
4.1d-4.2d-0.81=0
We add all the numbers together, and all the variables
-0.1d-0.81=0
We move all terms containing d to the left, all other terms to the right
-0.1d=0.81
d=0.81/-0.1
d=-8+0.01/0.1

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