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Question 931887: Cramer rule x-y=9
3x+2y=2
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! x-y=9
3x+2y=2
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put the system of linear equations into standard form
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x-y=9
3x+2y=2
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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 = 4
y = -5
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system matrix
1 -1
3 2
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inverse of system matrix
0.4 0.2
-0.6 0.2
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determinant of system matrix = 5
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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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