Question

solve the system of equations by graphing
x-y=-3
x+y=5

Answer 1

(1, 4)

Answer 2

Pls can u show me how u arrived at that

Answer 3

http://www.wolframalpha.com/input/?i=plot+%7Bx-y%3D-3+and+x%2By%3D5%7D
via graphing, as they requested.

Answer 4

First I rewrote the equations in y= mx + b format.

x - y = -3
-y = -x-3
y = x + 3

x + y = 5
y = -x+5

Then I used the slope and y-intercepts to plot both equations on a graph. The point they intersected on was (1, 4).

Answer 5

Thank u Emmy82650

Answer 6

You're welcome!