Question 470425
{{{x^(-1/7)=1/4}}}
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{{{1/(x^(1/7))=1/4}}} move exponent to bottom, it becomes positive
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{{{(1/(x^(1/7)))^7=(1/4)^7}}} take each side to 7th power
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{{{1/x=1/16384}}} cross multiply
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{{{x=16384}}}