pinkfairyy
pinkfairyy pinkfairyy
  • 07-05-2022
  • Mathematics
contestada

help help me please!!

help help me please class=

Respuesta :

ThamudAezazeil
ThamudAezazeil ThamudAezazeil
  • 07-05-2022

Answer:

B

Step-by-step explanation:

{x+y=-1

3x-y=5}

(Sum)

x+y+3x-y=-1+5

4x=4

x=1

if x=1 then according to the first equation 1+y=-1 so:

y=-2

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