kaykaymarie1113 kaykaymarie1113 15-01-2020 Mathematics contestada 1. Which system of equations has no solutions? a. a – b = 2, b= - a - 3 b. a – b = 3, a+b= – 2 C. -a +b = – 2, b= a +3 d. a+b = 3, - a+b=2