Solve |2x + 1| < 3 or |2x +1| > 3.
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hala718
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Given the inequality:
l 2x +1 l < 3
By definition, we can rewrite:
-3 < 2x+1 < 3
Now we will subtract -1 from all sides.
==> -4 < 2x < 2
Now we will divide by 2.
==> -2 < x < 1
Then the values of x belongs to the interval (-2, 1)
(The entire section contains 2 answers and 143 words.)
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