Evaluate
-39
Factor
-39
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3+2\left(-1-20\right)
Multiply 4 and 5 to get 20.
3+2\left(-21\right)
Subtract 20 from -1 to get -21.
3-42
Multiply 2 and -21 to get -42.
-39
Subtract 42 from 3 to get -39.
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