The matrix is the final matrix form for a system of two linear equations in variables x1 and x2. Write the Solution of the system.
A. x1 = 3
x2 = 5
B. x1 = -5
x2 = -3
C. x1 = 5
x2 = t for any real number t
D. x1 = 5
x2 = 3
Answer: D
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