SOLUTION: Please help me solve this equation: Solve using Cramer's rule. 3x+2y+2z=1 5x-y-6z=3 2x+3y+3z=4 Thank you for your time I really appreciated

Algebra ->  Equations -> SOLUTION: Please help me solve this equation: Solve using Cramer's rule. 3x+2y+2z=1 5x-y-6z=3 2x+3y+3z=4 Thank you for your time I really appreciated       Log On


   

Question 931216: Please help me solve this equation:
Solve using Cramer's rule.
3x+2y+2z=1
5x-y-6z=3
2x+3y+3z=4


Thank you for your time I really appreciated
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
3x+2y+2z=1
5x-y-6z=3
2x+3y+3z=4
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put the system of linear equations into standard form
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3x+2y+2z=1
5x-y-6z=3
2x+3y+3z=4
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = -1
y = 4
z = -2
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system matrix
3 2 2
5 -1 -6
2 3 3
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inverse of system matrix
0.6 0 -0.4
-1.08 0.2 1.12
0.68 -0.2 -0.52
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determinant of system matrix = 25
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