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0.15n+0.05(300-n)=0.08(300)
We move all terms to the left:
0.15n+0.05(300-n)-(0.08(300))=0
We add all the numbers together, and all the variables
0.15n+0.05(-1n+300)-(0.083)=0
We add all the numbers together, and all the variables
0.15n+0.05(-1n+300)-0.083=0
We multiply parentheses
0.15n-0.05n+15-0.083=0
We add all the numbers together, and all the variables
0.1n+14.917=0
We move all terms containing n to the left, all other terms to the right
0.1n=-14.917
n=-14.917/0.1
n=-149+0.016999999999999/0.1
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