## Fun Exponent Problem

May 17, 2005
 $4^{x+2}(0.5)^{-2x}=8^{x+2}$ $4^{x+2}2^{2x}=8^{x+2}$ $2^{2x+4}2^{2x}=2^{3x+6}$ (was $2^{2x}=2^{x+2}$) $2^{4x+4}=2^{3x+6}$ $4x+4=3x+6$ (was $2x=x+2$) $x=2$