4x 5 6x 1 July 8, 2019 16 32 64 128 4x 5 6x 15 4x 5 6x 13 4x 5 6x 10 4x 5 6x 12 4x 5 6x 17 4x 5 6x 19 4x 5 6x 1 3 2x 3x 4 4x 5 6x 18 20 2x 3 4x 5 )= 6x 15 5 4x 2 6x 10 84 2 3 4x 2 6x 5 )=- 14 4x 5 7 x 1 )= 6x 7 4x 7y 5 6x 13y =- 5 1 4x 5 6x 7