In this video tutorial, I demonstrate how to solve a system of linear equations with 3 equations and 3 unknowns. To solve a system of 3 equations and 3 unknowns we need to write the coefficients of our equations in the form of an augmented matrix. Next, we will use row operations to get our augmented matrix into row echelon form. Once our matrix is in row echelon form, we can solve for our 3 unknowns.
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