M8 wrote:

What is the value of │x + 7│?

(1) │x + 3│= 14

(2) (x + 2)^2 = 169

This is an easy question, but I'm still confused with the OA.

C

(1) x could be 11 or -17 ==> value of │x + 7│ could be 18 or 10. Insufficient

(2) 169 = +-(13) ^2 so 13 = x+2 or -13 = x + 2 ==> x = 11 or x = -15 ==> │x + 7│ = 18 or 8. Insufficient

(1) + (2) x = 11 and │x + 7│ = 18

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