Solve the equation.x -  = 4

A. {2, 9}
B. {1, 2}
C. {9}
D. {-1}


Answer: C

Mathematics

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A.
B.
C.
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A.
B.
C.
D.

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A.
B. - 
C.
D. - 

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A. 18
B. 1
C. 17
D. 1

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