Solve the system in terms of the arbitrary variable x.  x + y + z = 94x - 3y + 2z = 7

A.
B. ?
C.
D.

Answer: A

Mathematics

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Add: – 5 + 5 

A. 0 B. 10 C. – 10 D. 20

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Find the value of the expression.(-19 - 15)(-10 - 21)

A. -44 B. 44 C. 1054 D. -1054

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Find the exact value of the expression.

A. - 
B. - 
C. -2
D. -

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Write as a percent.

A. 300% B. 1% C. 0.1% D. 3%

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