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

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

Algebra.Com

Question 553899: 3x-y=7
9x-3y=21
i can use any method and i would like easy steps thanks
Answer by Alan3354(69443) (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.

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