SOLUTION: Hello. Can you please help me solve these problems? 2x-y=-4 -4x+2y=6 and 2t+4v=6 -t-2v=-3 Thank you!

Algebra ->  Systems-of-equations -> SOLUTION: Hello. Can you please help me solve these problems? 2x-y=-4 -4x+2y=6 and 2t+4v=6 -t-2v=-3 Thank you!      Log On


   

Question 358650: Hello. Can you please help me solve these problems?
2x-y=-4
-4x+2y=6
and
2t+4v=6
-t-2v=-3
Thank you!
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x-y=-4 MULTIPLY BY 2 & ADD.
-4x+2y=6
4x-2y=-8
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0x+0x=-2 NO unique solution for x or y.
2t+4v=6
-t-2v=-3 multiply by 2 & add
-2t-4v=-6
2t+4v=6
--------------
0t+0t=0 NO unique solution for x or y.