2 5x 7 5 10 July 8, 2019 16 32 64 128 5x 7 5 6x 2 2 4x 12 10 2 5x 5 7 3 10 5x 7 2 6x 5 10 10x 5 2 5x 7 5x 7 2 2x )- 10 =- 5 10 5x 2 5 7 x 25x 7 10x 5 15x 3 5x 2 2 5x 5 6 3 10x 4 7 2 5x=7 5 2 5x 7 2x + 5 7x - 10
