To solve a system of equations by elimination we transform the system such that one variable cancels out. Snap a pic of your math problem With our mobile app you can take a photo of your equation and get started stat. Equivalent systems of equations.
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When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations to eliminate a variable. The elimination method of solving systems of equations is also called the addition method. Here are the steps to follow when solving with the elimination method. In 1 and 2 variable y is having the same coefficient.