8x 7 2 2x 5 July 8, 2019 16 32 64 128 8x 7 2 3x )=- 6 2x 5 8x 2x 7 10x 2 5 5x 2 8x 7 )-( 2x 2 2x 12 8x 2 12x 5 )-( 2x 2 5x 7 8x 7 2 3x 2x 5 8x 7 2 3x )=- 6 2x 5 how many solutions 8x 2 2x 5x 7 (- 2x 7 )( 8x 2 5x 4 8x 7 2x 6 5x 2 3x 2 8x 7 )-( 5x 2 2x 11 8x 2 5x 7 2x 1 2x 7 4x 8x 2 5x 8x 5 )-( 2x 7 )= 2 4x 9