3(d+12)=9-4d

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Solution for 3(d+12)=9-4d equation: 



3(d+12)=9-4d

We move all terms to the left:

3(d+12)-(9-4d)=0

We add all the numbers together, and all the variables

3(d+12)-(-4d+9)=0

We multiply parentheses

3d-(-4d+9)+36=0

We get rid of parentheses

3d+4d-9+36=0

We add all the numbers together, and all the variables

7d+27=0

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

7d=-27

d=-27/7

d=-3+6/7

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