Solve and graph: 
 , D=(Integers)
 , D=(Integers)
Add -2 to both sides
 
 Multiply both sides by
Multiply both sides by  , which
reverses the inequality:
, which
reverses the inequality:
 You need the rule that to remove the absolute value 
bars from
You need the rule that to remove the absolute value 
bars from  , where A is a
POSITIVE number, you replace it by this three-sided 
inequality:
, where A is a
POSITIVE number, you replace it by this three-sided 
inequality:
 Using that rule,
Using that rule, 
 becomes
becomes
 Putting that on a graph (number line):
Since you are only using the integers for the 
domain D, put a black dot at each of those 
numbers between -2 and 2
-----------@---@---@---@---@---------- 
  -4  -3  -2  -1   0   1   2   3   4
Edwin
Putting that on a graph (number line):
Since you are only using the integers for the 
domain D, put a black dot at each of those 
numbers between -2 and 2
-----------@---@---@---@---@---------- 
  -4  -3  -2  -1   0   1   2   3   4
Edwin