Question 10(Multiple Choice Worth 5 points)


(03.07A LC)


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?


A 2b

B 5b

C 5b − 3

D 2b + 7