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  3. evaluate: 5 (2a + 7b) - 12 (b - 3a), when a = 2 an

Evaluate: 5 (2a + 7b) - 12 (b - 3a), when a = 2 and...

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Evaluate: 5 (2a + 7b) - 12 (b - 3a), when a = 2 and b= -1.A) 69B) -69C) -99

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