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3.50+4n=10.50
We move all terms to the left:
3.50+4n-(10.50)=0
We add all the numbers together, and all the variables
4n+3.50-(10.5)=0
We add all the numbers together, and all the variables
4n-7=0
We move all terms containing n to the left, all other terms to the right
4n=7
n=7/4
n=1+3/4
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