SOLUTION: solve the following system of simultaneous equation by cramer's rule. 2x+3y+3z=22,x-y+z=4,4x+2y-z=9

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Question 883132: solve the following system of simultaneous equation by cramer's rule. 2x+3y+3z=22,x-y+z=4,4x+2y-z=9
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2x+3y+3z=22
,x-y+z=4
,4x+2y-z=9
2,3,3,22
1,-1,1,4
4,2,-1,9
determinant = 31
x = 68/31 = 2.19354839
y = 63/31 = 2.03225806
z = 119/31 = 3.83870968
x=2.194
y=2.032
z=3.839