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y=25000(1-0.15)^8
We move all terms to the left:
y-(25000(1-0.15)^8)=0
We add all the numbers together, and all the variables
y-(25000(0.85)^8)=0
We add all the numbers together, and all the variables
y-6812.2631259766=0
We move all terms containing y to the left, all other terms to the right
y=6812.2631259766
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