Posted by **jspurlock** on Sunday, April 5, 2009 at 8:20pm.

Need help with this problem

8x-5y=20

5y-8x=-20

Please help me with this problem Solve the system of equations by graphing.

- algebra -
**drwls**, Sunday, April 5, 2009 at 8:30pm
Those equations are not independent. If you graph them, you get the same line, and no point of intersection. There is no unique solution. Any pair of (x,y) values along the line is a solution.

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