15. Simplify this expression: 13 + (-12) - (-5) = ? A. 30 B. 6 C. -30 D. -6
13 + (-12) - (-5) = 13 - 12 + 5 = 1 + 5 = 6
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Asked 8/21/2019 6:49:03 PM
Updated 8/22/2019 6:44:12 AM
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