Question

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation:
x + 2y = 4
x – 5y = 11
possible answers:

1. (–2y + 4) – 5y = 11

2. x – 5(2y + 4) = 11

3. x – 5(–2y + 4) = 11

4. (2y + 4) – 5y = 11

Thank you

Answer 1

1

Answer 2

1. (–2y + 4) – 5y = 11

Answer 3

No medal?

Answer 4

yes.. i was away from my computer

Answer 5

GT.. I just posted another one.. can you help me? thank you