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TomB
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right, with that we know that x=3, and with second statement we get x is + or - 3. This maintains the consistence of the statements, and also, answer A is correct as only statement 1 gives a clear, single answer.
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From (1)

3x-5 = 4

=> x = 9/3 = 3

Sufficient

From (2)


3(x.x) - 5 = 22

=> x.x = 27/3 = 9

=> x = 3 or -3

Not Sufficient

Answer A



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