7 9x 2 5 6 July 8, 2019 16 32 64 128 2 3 4x 7 2 =- 9x 5 6 Solve 2 3 4x 7 2 =- 9x 5 6 2 5 6x 9x 7 9x 7 6x 2 13x 5 2 3x 6 7 9x 5 7 9x 19 7 2 4x 6 5
