4 2x 5 =- 7 6 July 8, 2019 16 32 64 128 4 2x 5 )- 7 6 x )= 0 4 2x 5 )= 7 6 x 3 4 2x 5 )- 5 6 7 5x )= 7x 3 4 3x 7 )- 5 2x 6 5 2x 7 )+ 4 7x 2 )= 65 4 3x 7 )- 6 2x 5 )= 5x 1 5 2x 3 4 6x 7 5 2x 4 )- 3 3x 7 )= 6 4 0 2x 7 )- 5 0 3x 6 )= 5 7 5 7 2x )= 6x 4 4 2x 2 )+ 6x 5 3x 2 )- 7 2x 5 6 4 4x 7 7x 4 2x 7 6 5 3x 4 5 2x 7 125 64 2x 3 4 = 5 6 7