4 x 7 )= 8 2x July 8, 2019 16 32 64 128 4x 7 8 2x 3 2x 4 )= 7 x 8 4 8 2x )= 2 7 x 3 x 5 )-( 8 2x )= 4 x 7 )+ 2x 4 x 7 ≤ 4 2x 8 X 4 8 2x 7 5 4 x 7 )+ 3 2x 2 )= 8 4 x 8 )= 3 2x 7 )+ 3x 9 4 x 8 )= 3 2x 7 )+ x 9 4 x 3 )+ 19 8 2x 3 )+ 7 8 x 7 2x 4 17 4 left(x+7 right) le 4 left(2x+8 right) X 2 8 x 4 7 2x 3 12 11 2 2x 7 )-( 4x 8 )= 4 x 6