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5 May, 18:54

If (72) x = 1, what is the value of x? explain your answer

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  1. 5 May, 19:10
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    (7^2) x = 1

    x = 1 / (7^2) = 7^ (-2).

    You obtain the value of x by dividing both sides by 7^2 and the inverse of 7^2 is 7^ (-2).
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