Lg 2x 1 lg x 9 2. LG(X-9)+LG(2x-1)=2. LG(X-9)+LG(2x-1)=1. LG(X^2-9)-LG(X-3)=0. LG X 1 LG X 1 LG LG 9x+9. 2 LG (LG X) = LG (3-2 LG X). LG X 4 LG X 3 LG = lg6. LG X LG(X-1)