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**Unformatted text preview: **x , 8). Determine the value of x . 7) Solve the following system of equations using Gaussian elimination. If there are no solutions, show why. 2 x + 5 y-3 z =-16-x-4 y + 2 z = 7 x + 6 y + 3 z = 17 8) Solve the following system of equations using Gaussian elimination. If there are no solutions, show why. 3 x-6 y-15 z =-3-5 x + 2 y + 4 z =-1 7 x-y-2 z = 5 1 2 MATH 121 EXTRA PRACTICE PROBLEMS: WEEK 1-3 9) Solve the following system of equations using Gaussian elimination. If there are no solutions, show why. 4 x + 6 y-4 z =-x + 8 y-3 z = 3-6 x-5 y + 5 z = 4 10) Solve the following system of equations using Gaussian elimination. If there are no solutions, show why. 2 x-7 y = 5 x + 10 z = 85 3 x + 4 y + 3 z = 29...

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- Fall '10
- Beaulieu
- Math, Equations, Gaussian Elimination, Probability, English-language films, Elementary algebra