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20 October, 15:57

4 (3a + 7) + 3 (2a + 5)

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  1. 20 October, 16:23
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    Answer: 18a + 43 is the simplest form

    Step-by-step explanation:

    4 (3a + 7) + 3 (2a + 5)

    4 * 3 a = 12a

    4 * 7 = 28

    3 * 2a = 6a

    3 * 5 = 15

    12a + 28 + 6a + 15

    12a + 6a = 18a

    28 + 15 = 43

    18a + 43
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