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Matrices to solve a system of equations | Matrices | Precalculus | Khan Academy
Using the inverse of a matrix to solve a system of equations. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/e/writing-systems-of-equations-as-matrix-equations?utm_source=YTdescription&utm_medium=YTdescription&utm_campaign=YTdescription Watch the next lesson: https://www.khanacademy.org/math/precalculus/precalc ...
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