5 2x 6 5x 2 3 July 8, 2019 16 32 64 128 3 2 x )+ 5 2x 6 5x 2 2x 5 6 3 5x 4 6 2x 2 5x 3 6x 4 5 5 2x 6 )= 38 2 5x 6 5 2 3 2x 1 6 5x 2x 5 )-( 5x 4 )= 6 2 x 3 11x 4 2x 5 2 6 5x 3 2x 5 6 x 2 5x 3 3 6x 7 4 x 2 5x+6 3=7 1/3
