Need help can someone help me with this question

asked Sep 25, 2019 71.4k views

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In system A, the first equation multiply by 4

8x - 4y = 12 (1st)

3x + 4y = 10 (2nd)

--------------------add

11x = 22

So answer is B.

BharathBob answered Oct 1, 2019

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