SOLUTION: Find the solution set. Show all work 2x-y+4z=33 5x+3y-2z=-62 3x-4y+z=42

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Question 366380: Find the solution set. Show all work
2x-y+4z=33
5x+3y-2z=-62
3x-4y+z=42

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
2.
3.
Multiply eq. 2 by 2 and add to eq. 1,

4.
Multiply eq. 3 by 2 and add to eq. 2,

5.
Add eq. 4 and eq 5,



.
.
.
Then from eq. 4,



.
.
.
Then from eq. 1,




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