6 7 x 2 15 July 8, 2019 16 32 64 128 6 2x 7 ) 15 x 2 6 7 x 2 23 15 6 7 2 x 2 ))= 4 15 3x 6 7 x2 15 3 2 5 6 7 x 7 15 7 4x 5 )= 6 x 2 )+ 15 X 6 3 2 7 15 7 3 x 6 2 y 15 7 2 15 6 x 7 25 15 x 7/6 7 x 6 / 2 6 x - 7 = 15 + 2 x
