Answer :

Yang100

Answer:

x=9, y=5. (9, 5).

Step-by-step explanation:

-4x+9y=9

x-3y=-6

-----------------

x=3y+(-6)

x=3y-6

-4(3y-6)+9y=9

-12y+24+9y=9

-3y=9-24

-3y=-15

3y=15

y=15/3

y=5

x-3(5)=-6

x-15=-6

x=-6+15

x=9

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