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posted by Shane on Wednesday, May 8, 2013 at 7:31am.

solve this equation. log (2x + 1) base 2 = -3

Since we're taking logs base 2, the equation means that 2x+1 = 2^(-3) = 1/8 2x = -7/8 x = -7/16 sure enough, log_2(1/8) = -3

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