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7.5+n=56.70
We move all terms to the left:
7.5+n-(56.70)=0
We add all the numbers together, and all the variables
n+7.5-(56.7)=0
We add all the numbers together, and all the variables
n-49.2=0
We move all terms containing n to the left, all other terms to the right
n=49.2
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