3 5 x 2 4 x 8 x 2 July 8, 2019 16 32 64 128 X 3 5x 2 4x 8 x 2 8 x 2 4 x 4 7 x 5 x 3 2 X 5 2x 4 4x 3 8x 2 0 X 5 2x 4 4x 3 8x 2 X 5 3x 4 x 3 8x 2 x 8 x 2 1 4 x 5 )- 2 x 8 )= 5 x 3 )+ 20 5 x 2 ≥ 3 x 20 or 4 x 8 12 3 x-5=x+3