2x 7 ) 2 5 4x )= 1 July 8, 2019 16 32 64 128 2x 7 )+ 2 5 4x )= 1 10 2x 7 )- 5 4x 2 )=- 60 9x 7 3x 2 4x 5 2x 3 1 2 2x 7 )+ 3 3x 5 )= 3 4x 5 )- 1 5 2x 7 2 3 4x 14 6x 7 )( 2x 3 )-( 3x 2 )( 4x 5 )= 10 2x 5 )( 3x 7 )+ 2 4x 9 )( 2x 11 3 2x 5 )- 2 4x 7 )= 7x 17 4x 7 2 2x 5 )( x 1 )=- 1 2x 5 )( 2x 7 4x 3 2 16 2x 7 2 x 2 5