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These guided notes include addition and subtraction of matrices, and multiplication by a scalar; verification of inverses using matrix multiplication; finding the inverse of a matrix; and solving a system of linear equations using inverses. There are enough examples so that you can demonstrate the skill using one example, then have the student practice using the next example. I used these notes in an honors precalculus course, but they could be used in a non-honors precalculus or advanced algebra 2 course, as well.