2x 5 6x 21 July 8, 2019 16 32 64 128 3 2x 5 )=- 6x 21 5 3 2x 7 )= 5 6x 21 Solve 6x 5 21 2x 5 6x 21 =- 1 3 2x 9 2x 5 2 x 2 5
