5 2x 1 6 8 July 8, 2019 16 32 64 128 5 1 5x 4 6 2x 6 8 5 3x 8 )+ 6 1 2x 2x 1 6 5 8 1 2 5 x 1 )-( 6 2x )= 8x 3 5 6 2x 1 )- 4 3x 8 5 8x 2 )( 3 1 2x 6 X 1 8 =( 6 2x ) 5 4 8 1 2x )+ 6 =- 3 5 x Y 1 2x 6 y =- 5 4x 8 3 x 6 )=( 2x 1 5 8.9