1 Answer

Andreister · Answer 1 · 2024-05-11T09:32:49+0000

Answer:

(5,-3)

Explanation:

In order to do elimination you must make x or y positive and negative so they cancel out.

$-2(9x+2y=39)\\-3(6x+13y=-9)$

$-18x-4y=-78\\18x+39y=-27$

$35y=-105\\y=(-105)/(35)\\ y=-3$

Then plug the Y back in to one equation or the other

$9x+(2*-3)=39\\9x-6=39\\9x=45\\x=5$

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