y
1:6, what a
what is the value of a 3 - 1
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I assume the question is y - (1/y) = 3 instead of (y-1)/y = 6 and we have to find y^3 - (1/y^3) not ... If (3^x * 5^y) / (3^2 * 5^5) = 15, what is the value of x + y?
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