SOLUTION: Solve the system of equations by substitution. What is the solution for x? 2x + y = 1 4x + 2y = -1

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Question 892924: Solve the system of equations by substitution. What is the solution for x?
2x + y = 1
4x + 2y = -1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

1.2x+%2B+y+=+1
2.4x+%2B+2y+=+-1
From eq. 1,
y=1-2x
Substitute into eq. 2,
4x%2B2%281-2x%29=-1
4x%2B2-4x=-1
2=-1
False, there is no solution.
These are two parallel lines that never meet so there's no solution.