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X³=343-¹ find the positive value of x that makes the equation true
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X³=343-¹ find the positive value of x that makes the equation true

User Bert Regelink
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x^3=343^(-1)\\\\x^3=(7^3)^(-1)\\\\x^3=7^(-3)\\\\x^3=\left((1)/(7)\right)^3\iff\boxed{x=(1)/(7)}
User Wolfr
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