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y=800(1-0.02)^4
We move all terms to the left:
y-(800(1-0.02)^4)=0
We add all the numbers together, and all the variables
y-(800(0.98)^4)=0
We add all the numbers together, and all the variables
y-737.894528=0
We move all terms containing y to the left, all other terms to the right
y=737.894528
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