nelhindi86882 nelhindi86882 30-03-2021 Mathematics contestada The solution to which system of equations has an x-value of 3? (A) x + 2y =-1; y=3x + 3 (B) 3x – Y= 2; x + 2y=-1 (C) y= 3x + 3; 230 + 3y=0 (D) 2x + 3y=0; x + 2y=-1