JEE Main 2020 Mathematics question

The values of and for which the system of linear equations x + y + z = 2 x + 2y + 3z = 5 x + 3y + z = has infinitely many solutions are, respectively :

• (A)5 and 8Correct
• (B)5 and 7
• (C)4 and 9
• (D)6 and 8