Homework Help: intermediate algebra

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

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