3x+5y =-8 - 3x-6y = 6 Solve the system of linear equations by completing the following. (a) Suppose the coefficient matrix is A = -3 -6 Find A -1 and use it to write the solution matrix as a product of two [ロo0] matrices. Undefined (b) Find the solution of the system. Write your answers in simplest form. = X y =

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