July 18, 2015
GMAT Linear equations incorporate everything we discussed and that you practiced in the simplifying expressions section. In this chapter, we are going to discuss solving for single variables in an equation, also know as a linear equation.
Equation: A set of two different expressions that have the same value, denoted by an equal sign.
There are two types of equations that we will talk about: linear equations and quadratic equations. In a few sections, we will discuss quadratic equations. The...