7 3 5x 4 July 8, 2019 16 32 64 128 7 3 5x 4 1 10x 8 7 5x 3 4x 2x 7 )- 3 5x 4 7 3 2 x 5x 4 7 6x 5x 3 4x 7 2x 3 5x 2 )= 47 3 5x 7 )= 47 2x 4x 7 3 5x 10 X 3 5x 7 4y 1 7 5x 3 1 49 47x 7 4x 3 )= 4 5x 2 4x 3 )-( 5x 7 )= ax b 5x 3 x 7 4x 3 (- 5x 7 )=- 5 3x 4 2x 7 3 5x 4 5