if | x - 20 | = 40 what is the sum of all the values of x.	Choose the correct choice from the following
A) 0
B) 60
C) - 80
D) 40
E) 80
<gadget id="calculator">40 + 20</gadget>
<output>60</output>

<gadget id="calculator">40 - 20</gadget>
<output>20</output>

<gadget id="calculator">60 - 20</gadget>
<output>40</output>

<result>D</result>
if | x - 20 | = 40 what is the sum of all the values of x.
subtract(add(40, 20), subtract(40, 20))
"there will be two cases x - 20 = 40 and x - 20 = - 40 solve for x = > x = 40 + 20 = > x = 60 or x = - 40 + 20 = > x = - 20 the sum of both values will be 60 + - 20 = 40 answer is d"