The given value is 20 and the absolute deviation is 5.
\Let x be the number.
\Write the absolute value equation by using the formula of absolute deviation
.
Therefore absolute value equation is
.
The above equation in the form
where
and it is equivalent to the statement
.
Rewrite the equation
as two equations
. Then solve each equation separately.
Solve the equation 1:
.
Add 20 to each side.
\

.
Solve the equation 2: 
.
Add 20 to each side.
\

.
The values of x are
.