Question

Solve using sublimation

y=8x+13
-4x-5y=23​

Answer 1

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

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