Solve the system of equations. x - y + 2z = 72x + z = 3 x + 3y + z = 0
A. {(0, -1, 3)}
B. {(3, 0, -1)}
C. ?
D. {(3, -1, 0)}
Answer: A
Mathematics
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A ? B ? C ? E ? D ? A
A. No B. Yes
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Simplify the complex rational expression.
A. 
B. 
C. 
D. 
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Solve the linear equation.14 - 2(4z - 5) = 3z - 2(1 - z)
A. 3 B. 2 C. -2 D. 0
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