280=820.00(1-d)

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Solution for 280=820.00(1-d) equation: 



280=820.00(1-d)

We move all terms to the left:

280-(820.00(1-d))=0

We add all the numbers together, and all the variables

-(820.00(-1d+1))+280=0



We calculate terms in parentheses: -(820.00(-1d+1)), so:

820.00(-1d+1)

We multiply parentheses

-820d+820

Back to the equation:

-(-820d+820)



We get rid of parentheses

820d-820+280=0

We add all the numbers together, and all the variables

820d-540=0

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

820d=540

d=540/820

d=27/41

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