Question: Solve the system of equations below using the inverse of a matrix. x1 + x2 + 3x3 + x4 = 5 - 2x1 - x2

Solve the system of equations below using the inverse of a matrix.
x1 + x2 + 3x3 + x4 = 5
- 2x1 - x2 - 4x3 - x4 = - 7
x1 + 4x2 + 10x3 + 2x4 = 9
- 2x1 - 4x3 + 5x4 = 9

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