Solve for n
n=404
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5n-1=2019
Swap sides so that all variable terms are on the left hand side.
5n=2019+1
Add 1 to both sides.
5n=2020
Add 2019 and 1 to get 2020.
n=\frac{2020}{5}
Divide both sides by 5.
n=404
Divide 2020 by 5 to get 404.
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