SOLUTION: use substitution method to determine whether the system of linear equations has no solution, one solution,or many solutions x + 2y = 0 y = - 1/2x

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Question 454260: use substitution method to determine whether the system of linear equations has no solution, one solution,or many solutions
x + 2y = 0
y = - 1/2x
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x + 2y = 0
y = - 1/2x
==> x + 2*(-x/2) = 0 ==> x - x = 0, or 0 = 0, which is a true statement.
There are infinitely-many solutions.