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-5 - 6 < 2x + 6 - 6 < 4 - 6
-11 < 2x < -2
-11/2 < x < -1
b. |x - 2| < 3
-3 < x - 2 < 3
-3 + 2 < x - 2 + 2 < 3 + 2
-1 < x< 5
c. x^2 - 7x + 6 < 0
(x - 6) (x - 1) < 0
x = 6 x= 1
hp { 1 < x < 6 }