Posted by ROCKY on Saturday, July 30, 2011 at 9:43pm.
Solve using the elimination method. Show all work. If the system has no solution or an infinite number of solutions, state this.
3x+7y=77
2x+7y=42

intermediate algebra  drwls, Sunday, July 31, 2011 at 4:42am
Subtract the second equation from the first.
5x = 35
You do the rest