SOLUTION: Inverse matrix of 2X+3y=5
4X-2y=7
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Question 1055150: Inverse matrix of 2X+3y=5
4X-2y=7
Found 2 solutions by Fombitz, ikleyn:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Inverse matrix of the coefficient matrix is what I think you're asking for.
For a 2x2 system,
the inverse matrix is,
where the determinant,
So then,
and
Answer by ikleyn(52858) (Show Source): You can put this solution on YOUR website!
.
I corrected here minor deficiencies of the previous solution.
------------------------------------------------------
Inverse matrix of the coefficient matrix is
For a 2x2 system,
the inverse matrix is,
where the determinant, =
So then,
= = =
and
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