28+9d=-7(4d-8)

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Solution for 28+9d=-7(4d-8) equation: 



28+9d=-7(4d-8)

We move all terms to the left:

28+9d-(-7(4d-8))=0



We calculate terms in parentheses: -(-7(4d-8)), so:

-7(4d-8)

We multiply parentheses

-28d+56

Back to the equation:

-(-28d+56)



We get rid of parentheses

9d+28d-56+28=0

We add all the numbers together, and all the variables

37d-28=0

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

37d=28

d=28/37

d=28/37

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