3(d+4)=9

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



3(d+4)=9

We move all terms to the left:

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

We multiply parentheses

3d+12-9=0

We add all the numbers together, and all the variables

3d+3=0

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

3d=-3

d=-3/3

d=-1

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