2d=2(2d+4)

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Solution for 2d=2(2d+4) equation: 



2d=2(2d+4)

We move all terms to the left:

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



We calculate terms in parentheses: -(2(2d+4)), so:

2(2d+4)

We multiply parentheses

4d+8

Back to the equation:

-(4d+8)



We get rid of parentheses

2d-4d-8=0

We add all the numbers together, and all the variables

-2d-8=0

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

-2d=8

d=8/-2

d=-4

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