SOLUTION: Solve the inequality | 2x + 4 | < 3. Give your solution in interval notation, using INF for infinity.

Algebra ->  Graphs -> SOLUTION: Solve the inequality | 2x + 4 | < 3. Give your solution in interval notation, using INF for infinity.      Log On


   

Question 360300: Solve the inequality | 2x + 4 | < 3. Give your solution in interval notation, using INF for infinity.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
|2x+4|<3 is equivalent to the double inequality -3 < 2x+4 < 3.
-3-4< 2x<3-4,
-7<2x<-1,
-7%2F2%3Cx%3C-1%2F2. In interval notation, (-7/2, -1/2).