Solve each of the following inequalities for x R. a) |2x + 1| < 7 b)

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Solve each of the following inequalities for x ∈ R.
a) |2x + 1| < 7
b) |2 - x| < 2
c) |x3 - 3x + 1| < x3
d) x/x - 1 < 1.
e) x2/4x2 - 1 < ¼
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