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Chapter 22

# Unmasking Mr. X: Algebraic Equations

In This Chapter Using variables (such as x) in equations Knowing some quick ways to solve for x in simple equations Understanding the balance scale method for solving equations Rearranging terms in an algebraic equation Isolating algebraic terms on one side of an equation Removing parentheses from an equation Cross-multiplying to remove fractions

When it comes to algebra, solving equations is the main event.

Solving an algebraic equation means finding out what number the variable (usually x) stands for. Not surprisingly, this process is called solving for x, and when you know how to do it, your confidence — not to mention your grades in your algebra class — will soar through the roof.

This chapter is all about solving for x. First, I ...

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