SOLUTION: x-y=9 x+y=-5

Algebra ->  Graphs -> SOLUTION: x-y=9 x+y=-5      Log On


   



Question 110984This question is from textbook algebra structure and method
: x-y=9
x+y=-5
This question is from textbook algebra structure and method

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x-y=9
x+y=-5
----------
Add the equtions to get:
2x = 4
x = 2
---------
Substitute into x-y=9
2-y=9
y = -7
============
Cheers,
Stan H.