brendaaneliz
brendaaneliz brendaaneliz
  • 09-11-2016
  • Mathematics
contestada

i believe this is substitution
algebra2
2x+3y-2z=1
-x-y+2z=5
3x+2y-3z+=-6

Respuesta :

LegendTech
LegendTech LegendTech
  • 09-11-2016
Yes you have to substitute!
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