3 2x 1 27 x 3 July 8, 2019 16 32 64 128 3 2 1 2x =( 8 27 x 3 3 2x 3 9 x 1 27 2x 3 675 9 2x 3 1 27 x 2 3 Find x if 3 2x 1 =( 27 x 3 3 2x 2 27 x 1 36 27 2x 3 =( 1 3 x 2 2 3 2x 4 3 x 1 )+ 27 0 9 2x 1 3 3x 1 27 x 3 3 2x 9 )( 3 x 1 27 Phương trình 27 2x 3 =( 1 3 x 2 2