27=(-7d)-2d

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Solution for 27=(-7d)-2d equation: 



27=(-7d)-2d

We move all terms to the left:

27-((-7d)-2d)=0



We calculate terms in parentheses: -((-7d)-2d), so:

(-7d)-2d

We add all the numbers together, and all the variables

-2d+(-7d)

We get rid of parentheses

-2d-7d

We add all the numbers together, and all the variables

-9d

Back to the equation:

-(-9d)



We get rid of parentheses

9d+27=0

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

9d=-27

d=-27/9

d=-3

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