Question

Choose the best initial step in solving the following system by substitution.

2x + 3y = –12
6x + y = 18
Answers:
1.Solve the first equation for x.
2.Solve the first equation for y.
3.Solve the second equation for x.
4.Solve the second equation for y.

Answer 1

I think you have to first solve the first equation for y.

Answer choice: 3.

Explanation:

Hope this helps! :)