3d+4+4d=4(3d-4)

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Solution for 3d+4+4d=4(3d-4) equation: 



3d+4+4d=4(3d-4)

We move all terms to the left:

3d+4+4d-(4(3d-4))=0

We add all the numbers together, and all the variables

7d-(4(3d-4))+4=0



We calculate terms in parentheses: -(4(3d-4)), so:

4(3d-4)

We multiply parentheses

12d-16

Back to the equation:

-(12d-16)



We get rid of parentheses

7d-12d+16+4=0

We add all the numbers together, and all the variables

-5d+20=0

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

-5d=-20

d=-20/-5

d=+4

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