Posted by james b on Tuesday, January 22, 2008 at 11:32pm.
Solve this system 10x+2y=7,y=5x+3 by addition or substitution. If a unique solution does not exist state if the system is dependent or inconsistent.

math  drwls, Wednesday, January 23, 2008 at 2:12am
Since the second equation can be rewritten 5x + y = 3, or 10x + 2y = 6, it is inconsistent with the first equation, which says that 10x + 2y = 7. Therefore there is no solution.
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