Respuesta :

Answer:

-10x=-100

x=10

Step-by-step explanation:

Answer:

Step-by-step explanation:

-2x - 3y = -47

-8x + 3y = -53

-20x = -100

x = 5

-2(5)  - 3y = -47

-10 - 3y = -47

-3y = -37

y = 37/3