Question

When using the substitution method to solve a nonlinear system of equations, you should first see if you can _____ one variable in one of the equations in the system?

Answer 1

You have to be able to solve for one of the equations to equal one of the two variables in the equation. For an example, y-2x=6 and 2y+6x=33 then you add the 2x on both sides of the first equation which would look like this, y=2x+6, to substitute the y in the second equation.....