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Question 3593: What is the value of x and y if 13x + 39y = 1664?
Thanks
Answer by longjonsilver(2297)   (Show Source):
You can put this solution on YOUR website! you cannot answer this, are there are an infinite number of solutions. With 2 unknowns, you need 2 equations...
to visualise what you have asked, your equation is a straight line and any point on that line satisfies the equation. Given a second straightline, they will intersect each other at one point, and that will give you your solution for x and y.
Jon.
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