12500=8000(1+i)

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Solution for 12500=8000(1+i) equation:



12500=8000(1+i)
We move all terms to the left:
12500-(8000(1+i))=0
We add all the numbers together, and all the variables
-(8000(i+1))+12500=0
We calculate terms in parentheses: -(8000(i+1)), so:
8000(i+1)
We multiply parentheses
8000i+8000
Back to the equation:
-(8000i+8000)
We get rid of parentheses
-8000i-8000+12500=0
We add all the numbers together, and all the variables
-8000i+4500=0
We move all terms containing i to the left, all other terms to the right
-8000i=-4500
i=-4500/-8000
i=9/16

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