SOLUTION: x+y=14 x-y=20

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: x+y=14 x-y=20      Log On


   



Question 129249:

x+y=14 x-y=20

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=14
x-y=20
--------------------
2x=34
x=34/2
x=17 answer.
17+y=14
y=14-17
y=-3 answer.
proof.
17-(-3)=20
17+3=20
20=20