The system of equations shown is solved using the linear combinations method

Step-by-step explanation:

The system of linear equations presented represents the same line. We can deduct that by multiplying the first one by -4:

As you can observe, we get the same equation than the second one in the system, this means that they actually represent the same line. In other words, the solutions are all the common points, which are all of them possible, which are infinite.

Therefore, the right option is the last one.

i hope this is what you were looking for.

see attached graph

f(x)=4

step-by-step explanation: