For the following exercises, use the inverse of a matrix to solve the systems of equations. 1
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For the following exercises, use the inverse of a matrix to solve the systems of equations.
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1 100 3 100 X -X 9 100 -X 3 100+ 7 100 9 100 1 20 1 100 9 100 z = -49 z = 13 -z = 99
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