SOLUTION: solve by elimination
a+b+c=-3
3b-c=4
2a-b-2c=-5
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Question 371030: solve by elimination
a+b+c=-3
3b-c=4
2a-b-2c=-5
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
3.
Multiply eq. 1 by (-2) and add to eq. 3,
4.
Add eq. 2 to eq. 4,
Then from eq. 2,
From eq. 1,
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