Solve, using linear combination.
5x + y = 2
4x + y = 4
answers:
(–3, 17)
(–2, 12)
(0, 2)
(1, –8)

Question

Solve, using linear combination.  
5x + y = 2
 4x + y = 4
  answers:
       (–3, 17)
        (–2, 12)
        (0, 2)
        (1, –8)

tkhunny · Answer

So, perhaps 1 multiplied by the first, leaving it unaltered and then -1 multiplied by the second.  That may lead somewhere.

anonymous · Answer

that could..hmm..

anonymous · Answer

alright so I do believe that it is (-2,12)
am I right?

tkhunny · Answer

You tell me.  Did you do anything deliberately incorrect?

anonymous · Answer

i dont believe so

anonymous · Answer

much thanks for your assistance

tkhunny · Answer

Here's the deal.  You had the right idea.  You did it right.  You made no error.  You wrote down all your work so you could check it.  How could this fail to result in a correct solution?

Good work.