SOLUTION: Solve the system of equations: x+y+z=1 3x-2y-z=5 x+3y+2z=3 (Enter your answer as an ordered triple.) Thanks.

Question 985100: Solve the system of equations:
x+y+z=1
3x-2y-z=5
x+3y+2z=3
(Enter your answer as an ordered triple.)
Thanks.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

same as Question 985109
.......eq.1
.......eq.2
.......eq.3
------------------------------------------------
.......eq.1
.......eq.2
------------------------------------------add

...............solve for
.........eq.1a

.......eq.1....multiply by
.......eq.3
------------------------------------
.......eq.1
.......eq.3
---------------------------------------- subtract
.

........solve for
..............eq.2a
from eq.1a and eq.2a we have
......solve for

go to ..............eq.2a, substitute for

go to .......eq.1, substitute for and substitute for

your answer is:(,,)

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