SOLUTION: 3x-y=0 2x-y=-1

Algebra ->  Expressions-with-variables -> SOLUTION: 3x-y=0 2x-y=-1      Log On


   

Question 334992: 3x-y=0
2x-y=-1
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3x-y=0
2x-y=-1 subtrsct
----------------
x=1 ans.
3*1-y=0
3-y=0
-y=-3
y=3 ans.
Proof:
2*1-3=-1
2-3=-1
-1=-1