24jonecait 24jonecait

19-02-2020
Mathematics

contestada

solve using sublimation

y=8x+13
-4x-5y=23

Respuesta :

Yang100 Yang100

19-02-2020

Answer:

x=-2, y=-3. (-2, -3).

Step-by-step explanation:

y=8x+13

-4x-5y=23

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

-4x-5(8x+13)=23

-4x-40x-65=23

-44x-65=23

-44x=23+65

-44x=88

x=88/-44

x=-2

y=8(-2)+13=-16+13=-3

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