SOLUTION: The interval described in set-builder notation by the inequality |2x+4| < 10 has interval notation (a,b) for a = ? and b = ?

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Question 152290: The interval described in set-builder notation by the inequality
|2x+4| < 10 has interval notation (a,b)
for a = ?

and b = ?
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
|2x+4| < 10 if only if -10<2x+4<10
if only if -14<2x<6 if only if -7 < x < 3
so a=-7 and b=3