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28 September, 03:59

If 2a=9-b and 4a=3b-12, what is the value of a?

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  1. 28 September, 05:16
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    a = 1.5

    Step-by-step explanation:

    2a=9-b

    b = 9 - 2a

    4a=3b-12

    4a = 3 (9 - 2a) - 12

    4a = 27 - 6a - 12

    10a = 15

    a = 1.5
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