Use the following system of linear equations to do Part A and Part B below.

Part A: Use substitution to find the solution to the systems of equations. Include all of your work in your final answer.

Part B: Algebraically verify your answer to Part A. Include all of your work in your final answer.

Unfortunately, you did not provide the system of linear equations needed to solve for Part A and Part B. Without the equations, it is impossible to provide a solution or verify the answer. Please provide the system of linear equations so that I can assist you further.