Respuesta :
Answer:
[tex]x = - 11[/tex]
[tex]y = 19[/tex]
Step-by-step explanation:
[tex]x + y = 8 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: ...1 \\
2x + y = -3 \: \: \: \: \: \: \: \: \: \: \: ...2[/tex]
from equation 1, we get
[tex]x = 8 - y
[/tex]
now put x = 8 - y in equation 2
[tex]
2(8 - y) + y= -3 \\ 16 - 2y + y = - 3 \\ - y = - 3 - 16 \\ - y = - 19 \\ y = 19[/tex]
now put y = 19 in equation 1
[tex]x + 19= 8 \\
x = 8 - 19 \\ x = - 11
[/tex]
thus, x = -11 and y = 19