Respuesta :

Step-by-step explanation:

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Ver imagen zeyzey17

7x+10y=36

7x+10y=36y=2x+9

7x+10(2x+9)=36

y=2x+9

7x+20x=36-90

y=2x+9

27x=-54

y=2x+9

x=-2

y=5

(If I got it right)