Find the Complete Solution of the System $$\left\{ \begin{array} { r } x + y + z = 3 \\x - y + z = - 2 \\x + y + 3 z = 1\end{array} \right.$$

question 28

Essay

Find the complete solution of the system. $$\left\{ \begin{array} { r } x + y + z = 3 \\x - y + z = - 2 \\x + y + 3 z = 1\end{array} \right.$$

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Definitions:

Net Operating Income

The earnings from a company's core business operations, indicating the efficiency in managing its operational costs.

T-Accounts

A visual representation of accounts used in double-entry bookkeeping, showing debits on the left and credits on the right, to track the balance of each account.

Manufacturing Overhead

The indirect costs associated with manufacturing, covering expenses like maintenance, utilities, and staff salaries not directly involved in production.

Cost of Goods Sold

The total cost incurred by a company to manufacture or acquire products sold during a specific period.