8 4x 1 5x July 8, 2019 16 32 64 128 5x 7 8 4x 1 2 4x 1 )= 5x 8 5x 8 7x =- 4x 1 5x 8 7x =- 4x 1 how many solutions 4x 1 5 5x 8 6 1 5x 8 1 4x 19 5x 8 )-( 4x 1 )= 9 1 4x 5x 8 x 9 5x 0 8 4x 1 9 3x 8 4x 1 5x 2 8 1 4x 2 5x 14 8 5x 4x 1 answer 4x 8 2x 5x 1 3 4x 1 )- 5x 8 7x 3 5x 8 4x 1