Question

2x + 3y = 40
-4x + 5y = 52​

Answer 1

Explicación paso a paso:

Y=8

-4+5y=52

-4x+5. 8=52

X=-3

(x,y)=(3,8)

Comprobamos

2. 8+3.8=40

-4. (-3)+5.8=52

40=40

52=52

(x,y)=(3,8)