SOLUTION: I am suppose to solve the systems of equations by elimination and I don't understand it. Here is my problem. -3x-y=4 4x+2y=-8

Algebra ->  Equations -> SOLUTION: I am suppose to solve the systems of equations by elimination and I don't understand it. Here is my problem. -3x-y=4 4x+2y=-8      Log On


   

Question 900707: I am suppose to solve the systems of equations by elimination and I don't understand it. Here is my problem.
-3x-y=4
4x+2y=-8
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply the first equation by 2 and add it to the second equation to eliminate y.
2%28-3x-y%29%2B4x%2B2y=2%284%29-8
-6x-2y%2B4x%2B2y=0
-2x=0
x=0
Now use either equation to solve for y
-3%280%29-y=4
-y=4
y=-4