NatesGaming3234 NatesGaming3234 29-12-2023 Mathematics contestada If the system of linear equationsx+ay+z=3x+2y+2z=6x+5y+3z=bHas infinitely many solutions, thenA.a=1,b≠9B.a≠−1,b=9C.a=−1,b=9D.a=−1,b≠9