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Solve the System of Equations Using Cramer's Rule 4xy+7z=24-4 \mathrm{x}-\mathrm{y}+7 \mathrm{z}=24

Question 43

Multiple Choice

Solve the system of equations using Cramer's rule.
- 4xy+7z=24-4 \mathrm{x}-\mathrm{y}+7 \mathrm{z}=24
4x+5y+7z=78-4 x+5 y+7 z=78
5x5y+z=58-5 x-5 y+z=-58


A) (4,7,9) (4,7,9)
B) (4,9,8) (-4,9,8)
C) (4,9,7) (4,-9,7)
D) (4,9,7) (4,9,7)

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