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X+2y-z = 9 -2x+y+z= 1 2x-y+2z= -5

X+2y-z = 9 -2x+y+z= 1 2x-y+2z= -5
asked 119k views
3 votes
X+2y-z = 9
-2x+y+z= 1
2x-y+2z= -5

asked
User Greener
by
7.5k points

1 Answer

4 votes

Answer:

I don't understand the first one

answered
User Joffan
by
8.4k points
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