This type of algebra problem is something you can expect in most aptitude exams. The concept is really simple, but there are a few problem areas or pitfalls that get people confused.
In this video, I discussed what you should do and what to pay extra attention to when evaluating expressions.
Now that you know what to do, it’s time to check your knowledge.
Practice using these free downloadable worksheets. The answer key is on the next page.
Happy learning!