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0.11n+0.08(1800-n)=0.09(1800)
We move all terms to the left:
0.11n+0.08(1800-n)-(0.09(1800))=0
We add all the numbers together, and all the variables
0.11n+0.08(-1n+1800)-(0.0918)=0
We add all the numbers together, and all the variables
0.11n+0.08(-1n+1800)-0.0918=0
We multiply parentheses
0.11n-0.08n+144-0.0918=0
We add all the numbers together, and all the variables
0.03n+143.9082=0
We move all terms containing n to the left, all other terms to the right
0.03n=-143.9082
n=-143.9082/0.03
n=-4796+0.028199999999998/0.03
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