Solve the System $$\begin{aligned}- 6 x - 3 y + 7 z & = - 7 \\- x + 2 y - 7 z & = - 10 \\- 3 x + 2 y - 8 z & = - 16\end{aligned}$$

question 67

Multiple Choice

Solve the system. If a system has one unique solution, write the solution set. Otherwise, determine the number of solutions to the system, and determine whether the system is inconsistent, or the equations are dependent.
- $$\begin{aligned}- 6 x - 3 y + 7 z & = - 7 \\- x + 2 y - 7 z & = - 10 \\- 3 x + 2 y - 8 z & = - 16\end{aligned}$$

• A) \(\{ ( 9,3,8 ) \}\)
• B) \(\{ ( 2 , - 4 , - 1 ) \}\)
• C) \(\{ ( 2,3,2 ) \}\)
• D) \(\{ ( 2,10,4 ) \}\)

---

Definitions:

Operating Activities

Transactions and others events that are not investing or financing activities that enter into the determination of net income.

Net Income

The total profit of a company after all expenses, including taxes and operating expenses, have been deducted from total revenue.

Indirect Method

A technique used in cash flow statement preparation that starts with net income and adjusts for non-cash transactions and changes in working capital to arrive at cash flow from operating activities.

Operating Activities

Business actions that pertain to the primary operations of a company, including production, distribution, and other processes that generate revenue.