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5n+13=3+7
We move all terms to the left:
5n+13-(3+7)=0
We add all the numbers together, and all the variables
5n+13-10=0
We add all the numbers together, and all the variables
5n+3=0
We move all terms containing n to the left, all other terms to the right
5n=-3
n=-3/5
n=-3/5
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