A. 4
B. 5
C. 6
D. -4
E. None of these
Explanation:
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9 x + x = 13 + 27
10 x = 40 => x = 4
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A. 4
B. 5
C. 6
D. -4
E. None of these
Explanation:
9 x + x = 13 + 27
10 x = 40 => x = 4
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