7d+0.20=5+0.30d

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



7d+0.20=5+0.30d

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

7d-(0.30d+5)+0.2=0

We get rid of parentheses

7d-0.30d-5+0.2=0

We add all the numbers together, and all the variables

6.7d-4.8=0

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

6.7d=4.8

d=4.8/6.7

d=1.7142857142857/2.3928571428571

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