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6 November, 21:56

2x^4=-128x I did the problem but im getting the wrong answer.

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  1. 7 November, 00:17
    0
    You have to have the same base numbers

    2^4x = 2^7x

    now you can cancel out the 2s and set the powers equal to each other.

    4x = 7x

    -11x = 0

    x = 0?

    im not 100% sure but i think this is what you do
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