Simplify by First Removing the Parentheses and Then Combining the Like

question 15

Multiple Choice

Simplify by first removing the parentheses and then combining the like terms.   $6 - ( y + 9 ) + ( 5 y - 6 )$

• A) \(9 y - 4\)
• B) \(- 9 y - 9\)
• C) \(- y - 21\)
• D) \(4 y - 9\)
• E) \(4 y + 3\)

---

Definitions:

Consumer Surplus

The gap between what consumers are prepared and can afford to pay for a product or service versus what they end up paying.

Deadweight Loss

The loss of economic efficiency when the equilibrium outcome is not achievable or not achieved in a market.

Sales Tax

A tax imposed by a government on sales of goods and services, typically calculated as a percentage of the sale price.

Deadweight Loss

An economic inefficiency that occurs when a market does not reach equilibrium, leading to a loss of total social welfare.