supercutedonuf3291 supercutedonuf3291 06-12-2021 Mathematics contestada A system of two equations is shown below: Equation C: a = 2b + 7 Equation D: a = 5b − 3 What value of a can be substituted into equation D to solve the system of equations? 2b 5b 5b − 3 2b + 7