SOLUTION: Explain how to solve |2d| + 3 < 7

Algebra ->  Absolute-value -> SOLUTION: Explain how to solve |2d| + 3 < 7      Log On


   



Question 883236: Explain how to solve |2d| + 3 < 7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
abs%282d%29%2B3%3C7
abs%282d%29%3C4
Positive solution : abs%282d%29=2d
2d%3C4
d%3C2
Negative solution : abs%282d%29=-2d
-2d%3C4
d%3E-2
Put them together,
-2%3Cd%3C2