SOLUTION: Elimination method
x + y - z = 4 …………….(1)
x – 2y + 2z = -5 ………….(2)
2x – y + 2z = -2 ………….(3)
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Question 856846: Elimination method
x + y - z = 4 …………….(1)
x – 2y + 2z = -5 ………….(2)
2x – y + 2z = -2 ………….(3)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Mutliply eq. 1 by 2 and add to 2.
Eq. 2 becomes,
4.
Eq. 3 becomes,
5.
Subtract eq. 5 from eq. 4,
Then,
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