3 7 x 9 2 July 8, 2019 16 32 64 128 - 3/7 x = 9/28 3 7 x 21 9 7 3 x )+ 2x =- 9 3 7 x =- 1 3 2 9 3 7 x 5 9 x 1 2 3 9 (- 7 x )= 0 9 9x 21 9 14 x 3 7 23 28 3 7x =- 9 28 5 3 x 7 3 x 9 2 7 3 x 9 2 rug 7 3 x 9 28 )= 20 3 7 x 2 9 as a fraction 7 3 x 9 2 in cm 3 7 x 1 2 9 8 7 (- x 3 )+ 9 (- 2x 8
