Use an inverse matrix to solve the system of linear equations, if possible. 1. 2. 3. 4.

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Use an inverse matrix to solve the system of linear equations, if possible.
1.
[5х + 4y %3D — 1 |2х + 5у %— -1 3

2.

18х + 12y 3 13 23 (30х + 24y %3D 23

3.

4.

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