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

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Answer 1 · 2018-04-06T13:58:10

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

Graph the two functions.

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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?