4.7d+20=7.2d

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Solution for 4.7d+20=7.2d equation: 



4.7d+20=7.2d

We move all terms to the left:

4.7d+20-(7.2d)=0

We add all the numbers together, and all the variables

4.7d-(+7.2d)+20=0

We get rid of parentheses

4.7d-7.2d+20=0

We add all the numbers together, and all the variables

-2.5d+20=0

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

-2.5d=-20

d=-20/-2.5

d=+8

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