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n(.12)=200
We move all terms to the left:
n(.12)-(200)=0
We add all the numbers together, and all the variables
n(0.12)-200=0
We multiply parentheses
0.12n-200=0
We move all terms containing n to the left, all other terms to the right
0.12n=200
n=200/0.12
n=1666+0.080000000000013/0.12
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