Find the values of the variables.
= 
A. x = 4, y = 1, k = -7
B. x = -4, y = -1, k = 7
C. x = 4, y = -7, k = 7
D. x = 7, y = 5, k = -7
Answer: A
Mathematics
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A. -0.972 B. 0.972 C. 1.036 D. -1.036
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+ 
= 
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