69=3(d+7)

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Solution for 69=3(d+7) equation: 



69=3(d+7)

We move all terms to the left:

69-(3(d+7))=0



We calculate terms in parentheses: -(3(d+7)), so:

3(d+7)

We multiply parentheses

3d+21

Back to the equation:

-(3d+21)



We get rid of parentheses

-3d-21+69=0

We add all the numbers together, and all the variables

-3d+48=0

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

-3d=-48

d=-48/-3

d=+16

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