More Lessons for Algebra
This is a series of mathematics lessons that will review the important topics in algebra. It is presented in videos by the Portland Community College
Math 65 - Lesson 3a
Applications involving Systems of Linear Equations in Two Variables
A Word Problem
Applications involving money
Math 65 - Lesson 3b
Geometry, Systems and Substitution:
Linear Systems based in Geometry
Using Substitution to find new formulas from old.
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