What is the addition or elimination method of solving systems of equations?
How do you solve a system of equations if no variable is by itself?
How do you solve the system 6x - 5y = 25 and 4x + 15y = 13 by elimination or addition?
How do you get a variable to cancel out when using the elimination method of solving systems of equations?
How do you solve the system 18x - 15y = 75 and 4x + 15y = 13?
If you know what x equals in a system of equations, how do you find y without doing elimination again?
How can you check your answer to a system of equations?
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This lesson explains how / why the elimination / addition method of solving systems of equations works. Then, an example problem is shown, solved, and the solution is checked. This is a great introduction to this method of solving systems of linear equations. All steps are shown and explained very well.