Question

Solve the system.



y = x + 2


y = -x + 0

as and ordered pair x,y

Answer 1

you can replace the first ecuation on the second so x+2 =-x
2x+2 =0
2x=-2
x= -1
then it on the other ecuation and y = -(-1) +0
y=1

Answer 2

You could also add the 2 equations...

y = x + 2
y = -x

2y = 2
y = 1
x = -1