Evaluate
31
Factor
31
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42-20-\frac{72}{8}+18
Multiply 6 and 7 to get 42. Multiply 2 and 9 to get 18.
22-\frac{72}{8}+18
Subtract 20 from 42 to get 22.
22-9+18
Divide 72 by 8 to get 9.
13+18
Subtract 9 from 22 to get 13.
31
Add 13 and 18 to get 31.
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