Question 995299
 I need help to "Justify each step of following the equation". I know that the answer is 20, but I don't know how to "Justify each step". Can you help me, please...Thanks 
w - 8 = 12 
------
Add 8 to both sides
---
Result:: w = 20 ::: 
Justification:::When equal numbers are added to equal
numbers the results are equal.
------
Cheers,
Stan H.