7. Systems of Equations & Matrices
Determinants and Cramer's Rule
9:44 minutesProblem 75
Textbook Question
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. 2x - y + 4z = -2 3x + 2y - z = -3 x + 4y + 2z = 17
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