stevenaris45 stevenaris45
  • 30-11-2017
  • Mathematics
contestada

x+3y-2z=0
2x+4z=4
4x+6y=4

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droverfst
droverfst droverfst
  • 30-11-2017
1 is x=−3y+2z2 is x=2−2z
3 is 
x=1−3y​​ over 2
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