SOLUTION: 3x-y=7 9x-3y=21 i can use any method and i would like easy steps thanks

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: 3x-y=7 9x-3y=21 i can use any method and i would like easy steps thanks      Log On


   

Question 553899: 3x-y=7
9x-3y=21
i can use any method and i would like easy steps thanks
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3x-y=7
9x-3y=21
----------
The 2nd eqn is 3 times the 1st.
Dependent --> infinite # of solutions.