Multiple Choice
Solve the system of equations.
-9x - 9y - 7z = 9 4x + 9y - 9z = 7
45x - 45y - 35z = 6
A) {(5, 5, -1) }
B) 
C) {(9, 7, 6) }
D) {(x,y,z) | 9x - 9y - 7z = 9}
Correct Answer:
Verified
Correct Answer:
Verified
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