7 x 3 9 July 8, 2019 16 32 64 128 7 x 3 9 14 7 x 3 9x 7 x 3 90 - 3/7 x = 9/28 7 3 x 9 2 7 3 x 9 8 7 3 x 9 5 7 3 x 9 4 7 3 x 9 6 7 3 x 9 10 X 7 9x 3 6 7 1 x )+ 3 9 4 5 7 2 x 3 )= 9 6x 1 7 x 3 9 7 x 3 )= 5x 9
