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0.5n=1.9
We move all terms to the left:
0.5n-(1.9)=0
We add all the numbers together, and all the variables
0.5n-1.9=0
We move all terms containing n to the left, all other terms to the right
0.5n=1.9
n=1.9/0.5
n=3+0.4/0.5
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