Problem 5 (10 pts) In the following system P12x₁ + 11x₂ + 10X₁ = 9 12X1 3 8 x₁ + x₂ + 6 x3 = 5 4 X₁ + 3x₂ + 2x3 = b 1 determine the values of a und b for which the system has solutions. Show your work.

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