SOLUTION: i dont understand how to solve the problems. for example: -2x + 4y = 0 PLEASE HELP!

SOLUTION: i dont understand how to solve the problems. for example: -2x + 4y = 0 PLEASE HELP!

Algebra.Com

Question 24018: i dont understand how to solve the problems.
for example:
-2x + 4y = 0
PLEASE HELP!
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
as it stands, you cannot "solve" it, as you have 2 unknowns and yet just 1 equation linking them.

You need to be told either x or y to find the other or be given a second equation linking them.

Jon
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