SOLUTION: x+y+3z=-4
-x-y-2z=5
2x-z=-3
Work being shown
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Question 1048908: x+y+3z=-4
-x-y-2z=5
2x-z=-3
Work being shown
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
x+y+3z=-4
-x-y-2z=5
2x-z=-3
============
Add Eqn 1 and Eqn 2.
etc.
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