# Chapter 3: Equations of Lines

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**At Grade**Created by: CK-12### Image Attributions

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This chapter covers solving one-step equations, solving two-step and multi-step equations, using ratios and proportions, solving problems using scale drawings, using similar figures to measure, and finding the percent of a number.

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Date Created:

Feb 23, 2012
Last Modified:

Dec 17, 2015
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