3 2 5 x 7 9 July 8, 2019 16 32 64 128 13 2 5 7 x 3 9 21 3 7 2x )= 5 2 x 9 3 2 9 x 1 5 7 3 2 9 х 3 5 3 5 x 6 7 9 8 4 2 6 4 5 x 3 7 9 1 - 2 3 * x (- 5 7 9 4 3 x 5 )- 3 2 x 7 )+ 4x 9 2 3 x 5 9 7 12 3 2 x 5 3y 7 9x 10y 14 3/2x + 5/3y = 7 9x - 10y = 12 6 3 5 x 2 7 9 (- 3 8 x (- 7 2 5 x (- 9 3 5 x 2 7 chia 4 9 2 3 x 9 7 x 5 8 as a fraction