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It would be a far greater service to her, and also comply with the code of conduct of the site, to explain to her HOW to arrive at an answer, rather than just spit it out.
@raebaby420, it says to "solve by graphing". Do you know how to graph each of those 2 lines?
Once you graph the 2 lines, do you know what it means for a point to be a "solution to the system"? The system has 2 equations, each one graphs as a line. so every point on ONE line is a solution to THAT equation; every point on the OTHER line is a solution to THAT equation. To be a solution TO THE SYSTEM, a point would have to be on BOTH lines. When you have a graph of 2 lines (that are not parallel), what point is on BOTH lines? That is, how do you tell when you look at the graph which point is on BOTH?