Chapter 15
Algebra
In this chapter, we introduce the basics of algebra—plus we'll show you powerful techniques that make certain types of difficult algebra questions really easy.
Algebra accounts for slightly more than half of the GED® Mathematical Reasoning test. Most people just don't like algebra, and they never did. Well, we have some good news for you.
You don't always need to use algebra to solve the algebra problems.
You don't always need to use algebra to solve the algebra problems.
In just a few pages, we'll show you a great technique that will allow you to do some of the tougher algebra problems without writing equations. However, let's begin by going over the basics of the easy "solving for x"-type of GED® problems.
SIMPLE EQUATIONS
If you've completed the first two math chapters, then you've already been solving simple equations, also known as equalities. Every time you set up a proportion or an average formula, you were using algebra. Here is the most basic type of algebra equation: