Given the system of linear equations. 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

Given the system of linear equations.

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.

Part C: Graphically verify your answer to Part A. In your final answer, include the graph.