Using the Substitution Method to Solve Systems of Equations


	Using the Substitution Method to Solve Systems of Equations The substitution method is one of two ways to solve systems of equations without graphing. The following steps can be used as a guide as you read through the examples for using the substitution method. Steps for Using the Substitution Method in order to Solve Systems of Equations Solve 1 equation for 1 variable. (Put in y = or x = form) Substitute this expression into the other equation and solve for the missing variable. Substitute your answer into the first equation and solve. Check the solution. These directions will make a lot more sense when you study the examples below! Example 1 The next example demonstrates a situation where it is easier to solve for x initially. Example 2 Let's take a look at another example. You'll find this very interesting! Example 3 Ok... one more unique example! Example 4 Now you've seen it all for using the substitution method! Having Trouble with Your Homework? Type your system of equations problem into the solver below to find the correct answer. Comments We would love to hear what you have to say about this page! Systems of Equations Unit Solving a System of Equations Using a Graph Using a Graph Practice Using the Substitution Method Substitution Method Practice Using Linear Combinations (Addition Method) Linear Combinations Practice Systems of Equations Word Problems Word Problems Practice	Like Us on Facebook Recommend this on Google Algebra Class E-course Members Username: Password: Sign Up for Algebra Class E-courses Click here to renew or retrieve a lost password. Search This Site Custom Search Having Trouble with Your Homework? Algebra Class Courses What People Are Saying... "I'd like to start off by relaying my sincerest gratitude for your dedication in teaching algebra. Your methodology is by far the simplest to follow, primarily because you take the time to include the small steps in between that most other teachers leave out. It helps to know why you are doing something. I am 45 and heading to college to get my BS in Business. I need to brush up, hence the visit to your site. Great Job!" Jimmy - United States "I stumbled onto your site after I found out that I needed to use some fundamental algebra for an assignment. Turns out I had forgotten some things and your great site helped me remember them like "that" (snap of fingers). The organization of the site let me find exactly what I was looking for so easily. Kudos to you for maintaining such a great resource for students of all ages!" Tom - United States "I just wanted to write and basically thank you for making such a wonderful website! I'm 20 years old and about to take a basic placement test for college. I wanted to brush up on my Algebra skills and I stumbled upon your site. I'm amazed at how simple you make it and how fast I'm remembering Algebra! I don't remember getting most of the answers right when I had an actual teacher in front of me teaching this. Thanks a lot!" Elizabeth - United States "I am a pensioner living in South Africa. I stumbled on your website, the best thing that could ever happen to me! Your course in Algebra has helped me a lot to better understand the different concepts. Thank you very much for sharing your skills for teaching math to even people like me. Please do not stop, as I am sure that your teachings have helped thousands of people like me all over the world." Noel - South Africa This is an amazing program. In one weekend I used it to teach my Grade 9 daughter most of the introductory topics in Linear Relations. I took her up to Rate of Change and now she can do her homework by herself. Reg - United States
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