SOLUTION: x - y = 10 2x + y = 2 what method should i use? and how to solve it?

Algebra ->  Systems-of-equations -> SOLUTION: x - y = 10 2x + y = 2 what method should i use? and how to solve it?      Log On


   



Question 443819: x - y = 10
2x + y = 2
what method should i use? and how to solve it?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x - y = 10
2x + y = 2
what method should i use? and how to solve it?
--------
Since the y coefficients are the same, I would add the 2 equations.
x - y = 10
2x + y = 2
------------ Add
3x = 12
x = 4
--------
y = -6