Solve the system by solving one of the equations for x or y and then use the substitution method. 
Definitions:
Q11: Perform the indicated operation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Perform
Q27: Simplify the numerator, and then divide. <img
Q46: Divide the expression by <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Divide
Q50: Perform the indicated operations. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Perform
Q53: Graph the solution set for the equation.
Q60: Solve the following equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Solve
Q84: Multiply binomials using the COLUMN method. <img
Q86: Factor the polynomial completely; that is, once
Q152: Perform the indicated operations. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Perform
Q201: Factor the trinomial. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Factor the