2. A linear system is described by the following equations.2a 2b + ca + 3b - 2c= 13a - b - c = 2=(a)(b)-3From the given linear equations, identify the matrices A, x and b such the the linear system can beexpressed as a matrix equation.Does this system have any unique solution? Explain.Evaluate the upper triangular matrix U. Note that you have to show the row multipliers mij foreach step as necessary.(d)Using the upper triangular matrix found in the previous question, compute the solution of the givenlinear system by Gaussian elimination method.

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2. A linear system is described by the following equations. = -3 2a 2b + c a +36-2c = 1 3a-b-c = 2 (a) From the given linear equations, identify the matrices A, x and b such the the linear system can be expressed as a matrix equation. (b) Does this system have any unique solution? Explain. (c) Evaluate the upper triangular matrix U. Note that you have to show the row multipliers mij for each step as necessary. (d) Using the upper triangular matrix found in the previous question, compute the solution of the given linear system by Gaussian elimination method.