Solve for n
n=3
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8n-15-3n=0
Subtract 3n from both sides.
5n-15=0
Combine 8n and -3n to get 5n.
5n=15
Add 15 to both sides. Anything plus zero gives itself.
n=\frac{15}{5}
Divide both sides by 5.
n=3
Divide 15 by 5 to get 3.
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