1. The user asks to "solve this one matrix" but no matrix is provided in the prompt. 2. To assist, please provide the matrix or the related problem statement, such as solving a system of equations, finding the determinant, inverse or eigenvalues. 3. Once the matrix or problem is provided, I can demonstrate step-by-step algebraic matrix methods. Since no matrix or specific problem is given, I am unable to solve it at this time.