Respuesta :

Yang100

Answer:

x=-9, y=-6. (-9, -6).

Step-by-step explanation:

4x-5y=-6

-6x+7y=12

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6(4x-5y)=6(-6)

4(-6x+7y)=4(12)

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24x-30y=-36

-24x+28y=48

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-2y=12

y=12/-2

y=-6

4x-5(-6)=-6

4x+30=-6

4x=-6-30

4x=-36

x=-36/4

x=-9

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