Respuesta :

The answer is (1,11). You can solve for x first and plugged it in to find y.
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Answer:

(1, 11)

Step-by-step explanation:

If you plug  both of these values in for the x and y in both equations you will get a true statement.

10(1) + 3(11) = 43

10 + 33 = 43

-9(1) - (11) = -20

-9 - 11 = -20