4x1-2x2 +9x3 = 1 3x3 = 2 6x3 = 4 %3D %3D

Q: Use an inverse matrix to solve each system of linear quations or matrix equation.

A: Now let

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A: Explained below

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A: Given , matrices are A and b The matrix equation of the given linear system of equation Ax=b

Q: (а) х+ 2у = -1 х — 2у %3 3 (х, у) %3D (b) х+ 2у %3D 11 x + х — 2у %3D —5 (х, у) %3D

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Q: Use Gaussian elimination to find all the solutions (if any) of the following system of equations.…

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