3(d-69)=21

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Solution for 3(d-69)=21 equation: 



3(d-69)=21

We move all terms to the left:

3(d-69)-(21)=0

We multiply parentheses

3d-207-21=0

We add all the numbers together, and all the variables

3d-228=0

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

3d=228

d=228/3

d=76

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