Question

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

Answer 1

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

Answer 2

that could..hmm..

Answer 3

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

Answer 4

You tell me. Did you do anything deliberately incorrect?

Answer 5

i dont believe so

Answer 6

much thanks for your assistance

Answer 7

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.