SOLUTION: Solve by using elimination: x-y-2z=4 -x+2y+z=1 -x+y-3z=11 Please and thank you

SOLUTION: Solve by using elimination: x-y-2z=4 -x+2y+z=1 -x+y-3z=11 Please and thank you

Algebra.Com

Question 1048258: Solve by using elimination:
x-y-2z=4
-x+2y+z=1
-x+y-3z=11
Please and thank you
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve by using elimination:
x-y-2z=4
-x+2y+z=1
-x+y-3z=11
--------------
Eliminate x first.
---
Add eqn 1, to eqn 2.
Then eqn 1 to eqn 3.

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