3 2x 7 x 9 July 8, 2019 16 32 64 128 3 2x 7 )= 4 9 x 7x 3 2x x 9 3 9 2x 7 x 2 3 21 3 7 2x )= 5 2 x 9 2x 6 7 3 4 x 9 8 7x 9 2x 7 x 3 8 x 7 )- 3 2x 9 )= 15 9 3 x 1 )- 2x )= 7 x 1 3 x 5 )- 7 2x 1 )=- 9x 20 3 8 x )+ 9 6 2x 7 2x 3 y 7 x 9 y 4 3 2x 2 7x 7 9 4 x 8 )= 3 2x 7 )+ x 9 2x 7 3 x 9 2 5 2 2x 7 x 3 93