Question

Which is the best first step when solving the following system of equations? X+y=3 4x-y=7

Answer 1

Answer:

Add the two equations together to eliminate y

Step-by-step explanation:

X+y=3

4x-y=7

I would use elimination since one equation has +y and one equation has -y

Add the two equations together

X+y=3

4x-y=7

-------------------

5x = 10

Answer 2

Answer:

B. Add the first equation to the second equation.

Step-by-step explanation:

I just took the test