2d+1=4d+7

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Solution for 2d+1=4d+7 equation: 



2d+1=4d+7

We move all terms to the left:

2d+1-(4d+7)=0

We get rid of parentheses

2d-4d-7+1=0

We add all the numbers together, and all the variables

-2d-6=0

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

-2d=6

d=6/-2

d=-3

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