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English 9 Online
OpenStudy (anonymous):

solve 4^2=8^3x

OpenStudy (asett):

Because 4 and 8 both have a base of 2, we can simplify it down to that!\[2^{2} = 4\]\[2^{3} = 8\]So now we have\[2^{2*2} = 2^{3*3x}\] and we can drop the base 2's, leaving us with the simple equation\[4 = 9x\] giving us the answer\[x = 4/9\]

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