3d+30=69

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Solution for 3d+30=69 equation: 



3d+30=69

We move all terms to the left:

3d+30-(69)=0

We add all the numbers together, and all the variables

3d-39=0

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

3d=39

d=39/3

d=13

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