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i(0.45)=8000
We move all terms to the left:
i(0.45)-(8000)=0
We multiply parentheses
0.45i-8000=0
We move all terms containing i to the left, all other terms to the right
0.45i=8000
i=8000/0.45
i=17777+0.34999999999945/0.45
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