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13 September, 09:55

If 9a + 9b + 9c = 59a+9b+9c=5,

what is 72a + 72b + 72c72a+72b+72c?

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  1. 13 September, 10:07
    0
    40

    Step-by-step explanation:

    9a + 9b + 9c = 5

    Multiply the equation by 8

    8 * (9a + 9b + 9c) = 5*8

    Distribute

    72a + 72b + 72 c = 40
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