l 2x - 3 l < 5
Let us rewrite:
==> (2x -3 ) < 5 OR -(2x -3) < 5
Or we could write:
-5 < 2x - 3 < 5
Now add 3 to all sides:
==> -2 < 2x < 8
Now divide by 2:
==> -1 < x < 4
Then x belongs to (-1, 4)
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