raxevoo
raxevoo
05-05-2021
Mathematics
contestada
x + y = 3
2x - y = -9
Respuesta :
Hamed313
Hamed313
05-05-2021
Answer:
[tex]sum \: two \:eqations \\ 3x = - 6 \\ x = - 2 \\ - 2 + y = 3 \\ y = 5[/tex]
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