In this lesson, students learn how to solve for an unknown variable in an equation that arises from a word problem. The instructor provides examples, techniques and tips to understand the problem, define variables, and solve the equation. The lesson also emphasizes the importance of applying principles and techniques to solve problems and the relevance of mathematics in real life.
Solving for a number by using an algebraic equation
I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exactly how to solve math problems step by step. The problems are done in real time and in front of a regular classroom. These videos are intended to help you learn how to solve math problems, review how to solve a math problems, study for a test, or finish your homework. I post all of my videos on YouTube, but if you are looking for other ways to interact with me and my videos you can follow me on the following pages through My Blog, Twitter, or Facebook.
Questions answered by this video:
How do I solve word problems?
Two thirds of a number reduced by 11 is equal to 4 more than the number. What is the number?
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This lesson shows how to convert a word problem to an equation and then solve it.