Solve for n
n=13
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85+3n-12=112
Use the distributive property to multiply 3 by n-4.
73+3n=112
Subtract 12 from 85 to get 73.
3n=112-73
Subtract 73 from both sides.
3n=39
Subtract 73 from 112 to get 39.
n=\frac{39}{3}
Divide both sides by 3.
n=13
Divide 39 by 3 to get 13.
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