7 9 x 3 2 July 8, 2019 16 32 64 128 7 9 x 3 21 simplified 7 9 x 3 21 7 9 x 3 2 as a fraction 7 9 х 3 21 7 9 х =- 2 3 Y 7 9 x+ 2 3 7 9 x 6 2 3 7 1 9 x 2 3 7 9 16 х 2 3 16 1 7 9 x )+ 3 2x 7 9 7 x 15 3 3 2 7 9x 3 2 3x 5 7 9 х 3 4 х 5 21 9 14 x 3 7 23 28 7 2 x 3 )= 9 6x