Use Back-Substitution to Solve the Triangular System $$\left\{ \begin{array} { r } x + 2 y + z = 0 \\y - 3 z = 1 \\4 z = - 4\end{array} \right.$$

question 14

Essay

Use back-substitution to solve the triangular system. $$\left\{ \begin{array} { r } x + 2 y + z = 0 \\y - 3 z = 1 \\4 z = - 4\end{array} \right.$$

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Definitions:

Inventory Turnover

A measure of how frequently a company sells and replaces its stock of goods during a certain period. It indicates the efficiency of inventory management.

Cash Inflows

Money that is received by a company from its various business activities, including sales, financing, or investments.

Operating Cash Flow

Operating Cash Flow refers to the cash generated from a company’s normal business operations, indicating whether a company is able to generate sufficient positive cash flow to maintain and grow its operations.

Long-term Solvency

A measure of a company's ability to meet its long-term financial obligations, indicating its financial health and stability over time.