D-12p=3(3+4p)

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Solution for D-12p=3(3+4p) equation: 



-12D=3(3+4D)

We move all terms to the left:

-12D-(3(3+4D))=0

We add all the numbers together, and all the variables

-12D-(3(4D+3))=0



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

3(4D+3)

We multiply parentheses

12D+9

Back to the equation:

-(12D+9)



We get rid of parentheses

-12D-12D-9=0

We add all the numbers together, and all the variables

-24D-9=0

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

-24D=9

D=9/-24

D=-3/8

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