4. What is the value of the x variable in the solution to the following system of equations?

2x − y = 6
4x − 2y = 12

A. 0
B. 4
C. x can be any number as there are infinitely many solutions to the system.
D. There is no x value as there is no solution to the system.

It is D?

Question

4.   What is the value of the x variable in the solution to the following system of equations?

2x − y = 6
4x − 2y = 12

A. 0
B. 4
C. x can be any number as there are infinitely many  solutions to the system.
D. There is no x value as there is no solution to the system.

It is D?

directrix · Answer

C. 
Multiply the members of the first equation by 2. Note that the two equations are identical and infinitely many solutions as there are infinitely many points on a line.