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30 July, 22:59

12a - 4 (5a - 1) = 2 (3a + 6) - 4a calculation

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  1. 30 July, 23:04
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    a = - 4/5

    Step-by-step explanation:

    12a - 4 (5a - 1) = 2 (3a + 6) - 4a

    12a - 20a + 4 = 6a + 12 - 4a

    12a - 20a - 6a + 4a = 12 - 4

    -10a = 8

    a = - 8/10

    a = - 4/5
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