Wednesday, December 30, 2015

What is variable x if |3x-5|

We'll apply the absolute value property, such
as:


-8 < 3x - 5 <
8


We'll solve the left side
inequality:


-8 < 3x -
5


We'll isolate 3x to the right
side:


-8 + 5 < 3x


-3
< 3x


We'll divide by
3:


x > -1


We'll solve
the right side inequality:


3x - 5 <
8


We'll isolate 3x to the left
side:


3x < 8 + 5


3x
< 13


x < 13/3


-1
< x < 13/3


The values of x that
make the inequality to hold are located in the range (-1 ,
13/3).

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