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24-05-2021
Mathematics

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3. 19a - 7 - 3a + 12a

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dineshpandit2062 dineshpandit2062

24-05-2021

Answer:

19a + 12a - 3a - 7

31a - 3a - 7

28a - 7

7 (4a - 1)

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24-05-2021

You combine the terms. And the answer is 28a-7

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