SOLUTION: Solve the system of equations using addition to eliminate one variable. 3x-2y=14 3x+5y= -14 I do not know how to do this. I worked it out like the book showed but nothing comes

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve the system of equations using addition to eliminate one variable. 3x-2y=14 3x+5y= -14 I do not know how to do this. I worked it out like the book showed but nothing comes       Log On


   

Question 499430: Solve the system of equations using addition to eliminate one variable.
3x-2y=14
3x+5y= -14
I do not know how to do this. I worked it out like the book showed but nothing comes out with my check. Please help me on this.
Answer by chessace(471) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract the first from the 2nd:
7y = -28
y = -4
3x - 2*(-4) = 14
x = (14-8)/3
x = 2