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16 July, 02:43

Solve for x: 9^ (x-8) = 3^ (4x-12)

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  1. 16 July, 02:58
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    x = - 2.

    Step-by-step explanation:

    9^ (x - 8) = 3^ (4x - 12)

    9 = 3^2 so we can write:-

    3^2 (x - 8) = 3^ (4x - 12)

    Since the base 3, is the same:-

    2 (x - 8) = 4x - 12

    2x - 16 = 4x - 12

    2x - 4x = - 12 + 16

    -2x = 4

    x = - 2
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