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Solving a 3 x 3 System of Equations Using the Inverse. In this video, I solve a system of three linear equations by using the inverse. For more free math videos, visit PatrickJMT.com
Patrick offers a series of 58 short lectures covering everything you need to know for elementary linear algebra. His lectures are well organized, and straight to the point. You will find it to be a great review for classes and exams.