Solve the following system by the addition method. 
If the system is dependent or inconsistent, indicate this.
Definitions:
Q1: The scale on a map indicates that
Q25: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Let Evaluate
Q60: Simplify the complex fraction. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Simplify
Q61: Solve the following proportion. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Solve
Q99: Given the graph of the following equations.
Q103: z varies jointly with x and the
Q146: Use the properties of exponents to simplify
Q163: Given the graph of the following equations.
Q218: Graph the solution set for the system
Q249: Solve the equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8808/.jpg" alt="Solve the