Solve for n
n=3
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4n-12+4n=12
Add 4n to both sides.
8n-12=12
Combine 4n and 4n to get 8n.
8n=12+12
Add 12 to both sides.
8n=24
Add 12 and 12 to get 24.
n=\frac{24}{8}
Divide both sides by 8.
n=3
Divide 24 by 8 to get 3.
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