BlessedChocolate BlessedChocolate 28-01-2021 Mathematics contestada P lease help me. I need fast results please!!! 1. 4x - 2x - 20x + x 2. -4/7 + 2/7x - 14x + 4/7 3. 7 - 9x - 15 + 12x 4. -2.4x + 3.8x - x