Solve for n
n=28
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5n+40=180
Combine 4n and n to get 5n.
5n=180-40
Subtract 40 from both sides.
5n=140
Subtract 40 from 180 to get 140.
n=\frac{140}{5}
Divide both sides by 5.
n=28
Divide 140 by 5 to get 28.
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