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28. 5x1 +4x2 2x1 2x1x2 - 2x3 = 4 + 3x3 = 2 + x3 = 1

28. 5x1 +4x2 2x1 2x1x2 - 2x3 = 4 + 3x3 = 2 + x3 = 1

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Answer question 28 please and thank you.

Use Cramer's rule to solve the systems in Problems 21-32. 21. 3x + 4y = 2 5x + 7y = 1 22. 5x + 8y = 3 8x + 13y = 5 23. 17x + 7y = 6 24. 11x + 15y = 10 8x + 11y = 12x + 5y = 4 7 25. 5x + 6y = 12 26. 6x + 7y = 3 3x + 4y = 6 8x + 9y = 4 27. 5x1 + 2x2 - 2x3 = 1 x1 + 5x2 3x3 = -2 5x1 - 3x2 + 5x3 = 2 28. 5x1 + 4x2 - 2x3 = 4 2x1 + 3x3 = 2 2x1 x2 + x3 = 1
Transcribed Image Text:Use Cramer's rule to solve the systems in Problems 21-32. 21. 3x + 4y = 2 5x + 7y = 1 22. 5x + 8y = 3 8x + 13y = 5 23. 17x + 7y = 6 24. 11x + 15y = 10 8x + 11y = 12x + 5y = 4 7 25. 5x + 6y = 12 26. 6x + 7y = 3 3x + 4y = 6 8x + 9y = 4 27. 5x1 + 2x2 - 2x3 = 1 x1 + 5x2 3x3 = -2 5x1 - 3x2 + 5x3 = 2 28. 5x1 + 4x2 - 2x3 = 4 2x1 + 3x3 = 2 2x1 x2 + x3 = 1
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