3 x 3 )- 7x July 8, 2019 16 32 64 128 X 3 7x 3 0 3x 3 7x 3 3x 3 7x 3 2x 5 7 x 3 )+ 3 7x 2 5 3 x )= 7x 3 6 x 3 3 7x 3 x 3 x 3 x 3 x 3 3 x 3 7 x 3 x 3 = 9