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Which equation is equivalent to 2^4x=8^x-3

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  1. 8 April, 10:54
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    Let 2^x = y

    so. y^4 = y^3 - 3

    this equation is the equivalent eqjuation.

    or if the qn is 2^{4x} = 8^{x-3} then 2^{4x} = 2^{3 * (x-3) }

    4x = 3x - 9

    x = - 9
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