Exam (elaborations)
SOLUTION-MANUAL-FINITE-MATHEMATICS-AND-ITS-APPLICATION-9TH-EDITION-GOLDSTEIN
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Instructor’s Solution Manual Exercises 2.1 ⎧⎪ 1 x – 3y = 2 1. ⎨ 2 ⎪ ⎩ 5x+ 4y = 1 2[1] ⎧ x – 6y = 4 ⎯ ⎯⎯ → ⎨ ⎩ 5x + 4y =1 ⎧ x + 4y = 6 (–1)[2] ⎧ x + 4y = 6 2. ⎨ ⎯ ⎯⎯ ⎯ → ⎨ ⎩ – y = 2 ⎩ y = –2 3. 5(first) 5x+1...
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