7=4.5d

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Solution for 7=4.5d equation: 



7=4.5d

We move all terms to the left:

7-(4.5d)=0

We add all the numbers together, and all the variables

-(+4.5d)+7=0

We get rid of parentheses

-4.5d+7=0

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

-4.5d=-7

d=-7/-4.5

d=1+1/1.8

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