Solve the System of Equations $$\begin{array} { r l r } x - y + 5 z & = & - 4 \\3 x + z & = & 0 \\- x + y - 5 z & = & 12\end{array}$$

question 63

Multiple Choice

Solve the system of equations.
- $$\begin{array} { r l r } x - y + 5 z & = & - 4 \\3 x + z & = & 0 \\- x + y - 5 z & = & 12\end{array}$$

• A) \(( 0,0,4 )\)
• B) \(( 5,4,0 )\)
• C) No solution
• D) Infinite number of solutions; dependent equations

---

Definitions:

Indirect Expense

Costs that are not directly linked to the production of goods or services but are necessary for the business's operations, such as utilities and rent.

Building

A structure used or intended for supporting or sheltering any use or continuous occupancy.

Income Statement

A financial document that provides a summary of a company's revenues, expenses, and profits over a specified period, typically a quarter or year.

Gross Margin

The difference between revenue and the cost of goods sold, indicating the profitability of selling goods.