7+0.20d=5+0.30d

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Solution for 7+0.20d=5+0.30d equation: 



7+0.20d=5+0.30d

We move all terms to the left:

7+0.20d-(5+0.30d)=0

We add all the numbers together, and all the variables

0.20d-(0.30d+5)+7=0

We get rid of parentheses

0.20d-0.30d-5+7=0

We add all the numbers together, and all the variables

-0.1d+2=0

We move all terms containing d to the left, all other terms to the right

-0.1d=-2

d=-2/-0.1

d=+20

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