Question

What is a possible first step in eliminating a variable in the following system of equations?

x + y = 3
3x – 4y = 23

Multiply the first equation by –4.

Multiply the first equation by 3.

None of the above.

Choices 1 and 2.

Answer 1

none of the above

Answer 2

you can go with #2, if you remember that you need to subtract (not add) one equation from another

Answer 3

yes inik but if you check it well in this way it's possibile using the first too like how you have wrote

Answer 4

al go with 2

Answer 5

I think it's none of the above