-9=9(d-99)

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Solution for -9=9(d-99) equation: 



-9=9(d-99)

We move all terms to the left:

-9-(9(d-99))=0



We calculate terms in parentheses: -(9(d-99)), so:

9(d-99)

We multiply parentheses

9d-891

Back to the equation:

-(9d-891)



We get rid of parentheses

-9d+891-9=0

We add all the numbers together, and all the variables

-9d+882=0

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

-9d=-882

d=-882/-9

d=+98

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