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0.5n+0.75n=0.5
We move all terms to the left:
0.5n+0.75n-(0.5)=0
We add all the numbers together, and all the variables
1.25n-0.5=0
We move all terms containing n to the left, all other terms to the right
1.25n=0.5
n=0.5/1.25
n=0.5/1.25
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