7x 3 2x 13 July 8, 2019 16 32 64 128 2x 4 7x 3 13x 2 63x 45 3 7x 2 =- 2x 3 13 2x 4 7x 3 2x 2 13x 6 0 2x 4 7x 3 2x 2 13x 9 2x 4 7x 3 2x 2 13x 6 3 2x 7 )-( 7x 13 )=- 10 Solve 7x 3 2x 13 6 7x 3 13 2x 7x 3 2 2x 1 )= 13 7x 52 3 (- 2x 13 3 2x 3 13x 2 7x