SOLUTION: Use matrices to solve each system of equations. 11. 2x + y + z = 4 3x - y + 4z = 11 x - y + 5z = 20

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Question 824493: Use matrices to solve each system of equations.
11. 2x + y + z = 4 3x - y + 4z = 11 x - y + 5z = 20

Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
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2x + y + z = 4
3x - y + 4z = 11
x - y + 5z = 20
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copy and paste the above standard form linear equations in to this (matrix method) solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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answer:
x= -2
y= 3
z= 5
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Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Solve systems of linear equations up to 6-equations 6-variables:
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