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3- l2x-4l is less than or equal to 1

are the values of x

x is greater than or equal to 3
x is less than or equal to -3

1 answer

3 - |2x-4| </= 1

-|2x-4| </= -2
then
|2x-4| >/= 2
so
(2x-4) >/= 2

2 x >/= 6

x >/ = 3
OR
-(2x-4) >/= 2
2x-4 </= -2
2 x </= 2
x </= 1

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