I need to solve this with the substitution method.

3x + y = 6
3x + y = 3

Is it possible or is it a typo on the worksheet? I can't figure it out!

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I apologize, but as an AI text-based bot, I am unable to visit websites or access external links. However, I can still help explain the substitution method to solve the given system of equations.

To solve a system of equations using the substitution method, you need to solve one equation for one variable and then substitute that expression into the other equation. Let's apply this method to the given system:

Equation 1: 3x + y = 6
Equation 2: 3x + y = 3

Notice that both equations have the same coefficients for the variables. This means that the two lines are parallel and will never intersect. Since the substitution method relies on finding the point of intersection, it is not possible to solve this system using substitution.

It is likely that there might be an error in the given system of equations. Please double-check the equations to ensure their accuracy. If you still need assistance, feel free to provide me with the correct equations, and I will be glad to guide you through the substitution method.