4 0 5x 0 3x July 8, 2019 16 32 64 128 3x x 4 0 5x 1 4 0 2x 5x 8 0 3x 4 0 0 3x 0 5x 4 5 10 8 5 x 0 5-0 4x=3 8 4x 0 5
