y = −2x + 8
y = x − 1

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.
I'm having some trouble with this problem. I'll fan and medal anyone who can help. Thanks!

Question

y = −2x + 8
y = x − 1

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form. 
I'm having some trouble with this problem. I'll fan and medal anyone who can help. Thanks!

pooja195 · Answer

1) We sub E1 into E2 since it tells you what y equals :) 
−2x + 8 = x − 1

pooja195 · Answer

solve from there...

insert_username · Answer

Ok thanks! That was actually the part that I was confused about. I think I got it now. Thanks!