We want to have the coefficients of one variable be opposites so that we can add the equations together and eliminate that variable. Or click the example. 1 y 8.
We want to have the coefficients of one variable be opposites so that we can add the equations together and eliminate that variable.
Two Equations Step 1. In the elimination method you either add or subtract the equations to get an equation in one variable. X - 4y -7. Solve the system of equations by elimination beginaligned 3x - y 5 x y 3 endaligned Solution.