Question: hi I'd like some help solving 31,33,35, and 37 1 ch other. 24. 0 4 3 - 1 - 1 -3 - 4 2 1.

hi I'd like some help solving 31,33,35, and 37

1 ch other. 24. 0 4 3 - 1 - 1 -3 - 4 2 1. ] 2 0 26.1 0-1 3 0 23. 4 5 0 0 1-3] 1 2 3 25.-3 -2 -1 -1 0 [1 3-27 27.27 -3 L3 8 5 1-2 3 0] 0 1 -1 29. -2 2 -2 4 0 2 -3 1 28. in 4 1 2 1 - 1 --2-4 5 1 0 27 2 -1 3 2 -2 21 0 2 - 30. N Solve each system of equations by using the inverse of the coef- ficient matrix if it exists and by the echelon method if the inverse doesn't exist. 31. 2x + 5y = 15 32. -* + 2y = 15 x + 4y = 9 -2x - y = 20 33. 2x + y = 5 34. -x - 2y = 8 5x + 3y = 13 3x + 4y = 24 35. 3x - 2y = 3 36. 3x - 6y = 1 7x - 5y = 0 --5x + 9y = -1 37. -*- 8y = 12 38. 2x + 7y = 14 3x + 24y = -36 4x + 14y = 28 Why? 2 (Hint

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