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Mathematics 20 Online
OpenStudy (anonymous):

Evaluate 2A - 3B for A = 7 and B = -2.

OpenStudy (anonymous):

Plug in your numbers. So you will have-- 2(7) - 3(-2) 14 + 6 (note that you combine double negatives) 20 In future equations, make sure to follow PEMDAS. (:

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