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lovehatemath246 Posts: 1, Reputation: 1

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#1

Aug 6, 2008, 06:50 AM

Solving Equations

How do I sove for the variable:
27=8x^3

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ebaines Posts: 12,131, Reputation: 1307

Expert

#2

Aug 6, 2008, 07:05 AM

$<br /> 27 = 8 x^3 \\<br /> 27/8 = x^3 \\<br /> (27/8)^{1/3} = x \\<br /> (3^3 / 2^3) ^ {1/3} = x \\<br /> 3/2 = x<br />$

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