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27.75n+5.50=138.25
We move all terms to the left:
27.75n+5.50-(138.25)=0
We add all the numbers together, and all the variables
27.75n-132.75=0
We move all terms containing n to the left, all other terms to the right
27.75n=132.75
n=132.75/27.75
n=4+5.8/7.4
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