3d-9=3

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Solution for 3d-9=3 equation:



3d-9=3
We move all terms to the left:
3d-9-(3)=0
We add all the numbers together, and all the variables
3d-12=0
We move all terms containing d to the left, all other terms to the right
3d=12
d=12/3
d=4

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