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Which system of equations has no solutions? 1. x-3y+3z=-4 2x+3y-z=15 4x-3y-z=19 2. 3x-3y+4z=6 -3x+3y-4z=-6 6x-6y+8z=12 3. -2a-4b+6c=5 -a+3b-2c=-1 a+2b-3c=1 4. x+y=9 y+z=7 x-x=2
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Which system of equations has no solutions?

1. x-3y+3z=-4
2x+3y-z=15
4x-3y-z=19

2. 3x-3y+4z=6
-3x+3y-4z=-6
6x-6y+8z=12

3. -2a-4b+6c=5
-a+3b-2c=-1
a+2b-3c=1

4. x+y=9
y+z=7
x-x=2

User Brian Maupin
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