4x 5 6x 13 July 8, 2019 16 32 64 128 4x 7y 5 6x 13y =- 5 6x 5 13 28 4x 20 6x 5 11 =( 4x 13 11 Solve 6x 5 13 4x 4-5x 13 4x+5 13
