How do you solve the following system of equations by graphing given $x–y=7$ and $x+y=5$ ?

Question

4073 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-06T13:58:10

$(x = 6, y = -1)$

Graph the two functions.

enter image source here

One can observe that the points intersect at $(6, -1)$ . So, the solution to the system is $(x = 6, y = -1)$

How do you solve the following system of equations by graphing given x–y=7x–y=7 and x+y=5x+y=5?