SOLUTION: find the value of x that solves the system below. show the work that leads to your answer. y= -2x x+y= 3

Algebra ->  Real-numbers -> SOLUTION: find the value of x that solves the system below. show the work that leads to your answer. y= -2x x+y= 3       Log On


   

Question 1024956: find the value of x that solves the system below. show the work that leads to your answer.
y= -2x
x+y= 3
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
2x+y = 0
-
x+y = 3
---------
x = -3