Respuesta :

Answer:

y = 15

x = 43

Step-by-step explanation:

x + y = 48

x - 2y = 3

3y = 45

y = 15

x + y = 48

x + 15 = 48

x = 43

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x= 93
y= -45