SOLUTION: I'm having a problem with following equation using Substitution algebra. I understand substitution however this particular equation has me stumped. 4y + x = -2 x = -4y

Question 391804: I'm having a problem with following equation using Substitution algebra. I understand substitution however this particular equation has me stumped.
4y + x = -2
x = -4y
I understand I need to plug the -4y in for the x in the first equation. What I don't understand is how to get the 4y on the other side of = sign in order to isolate the y.
Thanks.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
4y + x = -2
x = -4y
---------------
If you sub for x:
4y + (-4y) = -2
0 = -2
There's no solution.
-----------------
4y + x = -2 --> x = -4y - 2
x = -4y
If you graph these, you get 2 parallel lines. No intersection, no solution.

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