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Ludjmy
Questions and answers by visitors named
Ludjmy
Questions (1)
1) 2a+c=-10
b-c=15 a-2b+c=-5 2) x+y+z=3 13x+2x=2 -x-5z=-5 3)x-y+3z=3 -2x+2y-6z=6 y-5z=-3 4)3x-2y+z=1 -x+y-z=2 5x+2y+10z=-39
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