SOLUTION: 3x + 4y = 720; x =?, y =?

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Question 337175: 3x + 4y = 720; x =?, y =?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
To solve for 2 unknowns, you need 2 independent equations.
You only have 1 so you can only solve for one variable in terms of the other.