You can put this solution on YOUR website! ---
x-y=-5
x+y=13
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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 = 4
y = 9
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system matrix
1 -1
1 1
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inverse of system matrix
0.5 0.5
-0.5 0.5
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determinant of system matrix = 2
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by graphing:
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y=x+5
y=-x+13
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Solve systems of linear equations up to 6-equations 6-variables:
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