SOLUTION: x-3y-z=-9
-2x+y+2z=3
2x+y+3z=8
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Question 173477: x-3y-z=-9
-2x+y+2z=3
2x+y+3z=8
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Eq. 1
Eq. 2
Eq. 3
Add Eq. 2 to Eq. 3:
Eq. 4 →
Multiply Eq. 1 by 2:
Eq. 5
Add Eq. 2 to Eq. 5:
Eq. 6 →
Substitute value for y in Eq. 4:
→ → →
Substitute values for y and z in Eq. 1:
→ → →
So the solution set is the ordered triple (,,)
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