SOLUTION: solve the following system by elimination 4x-y=3 2x+3y=19 I got y=4x-3 2x+3(4x-3)=19 2x+12x-9=19 14x/

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: solve the following system by elimination 4x-y=3 2x+3y=19 I got y=4x-3 2x+3(4x-3)=19 2x+12x-9=19 14x/      Log On


   



Question 899022: solve the following system by elimination
4x-y=3
2x+3y=19
I got y=4x-3
2x+3(4x-3)=19
2x+12x-9=19
14x/14 = 28/14
x=2

4(2)-y=3
8-y=3
is the answer -y=5 or turn to y=-5?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Both are correct but we usually gives solutions as a positive variable so it is better to say y=-5