teresitatzunun2006 teresitatzunun2006 28-10-2020 Mathematics contestada Which equation has infinitely many solutions? 1. 12 + 4x = 6x + 10 – 2x 2. 5x + 14 – 4x = 23 + x – 9 3. X + 9 – 0.8x = 5.2x + 17 - 8 4. 4x – 2x = 20