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2(5n+)=28
We move all terms to the left:
2(5n+)-(28)=0
We add all the numbers together, and all the variables
2(+5n)-28=0
We multiply parentheses
10n-28=0
We move all terms containing n to the left, all other terms to the right
10n=28
n=28/10
n=2+4/5
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