SOLUTION: simplify using cramer's rule:-
x-y=1
x+z=-6
x+y-2z=3
Algebra.Com
Question 611601: simplify using cramer's rule:-
x-y=1
x+z=-6
x+y-2z=3
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
z=2, if your problem is x+z=6
however, if your problem is x+z=-6,your answer is z=-4
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