4x 3 5 6x 2 7 July 8, 2019 16 32 64 128 4x 3 2x 5 6x 7 ≤ 7x 2 6x 5 4x 3 3x 2 2x 7 4x 3 5 6x 2 7 5x 4 3 3 7x 5 6x 3 4x 2 5 x 7 = 35 4 + 4 = 6 3 4x+5 7x+6 6x-4 7x
