SOLUTION: 3x � 2y + 3z = 8 2x + y � z = 1 4x � 3y + 2z = 4 solve by matrix

SOLUTION: 3x � 2y + 3z = 8 2x + y � z = 1 4x � 3y + 2z = 4 solve by matrix

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Question 885170: 3x � 2y + 3z = 8
2x + y � z = 1
4x � 3y + 2z = 4
solve by matrix
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
3x � 2y + 3z = 8
2x + y � z = 1
4x � 3y + 2z = 4
3,-2,3,8
2,1,-1,1
4,-3,2,4
1,0,0,1
0,1,0,2
0,0,1,3
determinant = -17
x = -17/-17 = 1
y = -34/-17 = 2
z = -51/-17 = 3

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