3 2x 1 )- 4 x 7 July 8, 2019 16 32 64 128 3 2x 1 )= 4x 7 5 x 1 )- 3 2x 4 )= 4x 7 X 3 2x 2 7x 4 )/( x 1 2 3 2x 4 5 x 7 3x 1 7 2x 1 ≥ 4 x − 3 2x 3 2 x 1 )= 4 x 1 )- 7 3 5 2x 1 )= 4 7 x 3 2x 1 )-( 4x 7 )= 40 2x 3 x 1 )+ 4 x 2 )= 74 3 2x 1 )+ 8 4 x 3 )+ 2x 7 3 2x 1 )= 2 4x 7 2x 3 x 1 4x 7 3 2x 1 ≤ 4x 7 4 7x 1 3 2x 1 4 x 6 4 2x 1 )+ 3 x 7 )- 6x