Question 829707: 12x+2y=-4
-5x+y=20
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! ---
12x+2y=-4
-5x+y=20
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copy and paste the above linear system in standard form into this matrix-method solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = -2
y = 10
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system matrix
12 2
-5 1
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inverse of system matrix
0.045454545 -0.090909091
0.22727273 0.54545455
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determinant of system matrix = 22
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