Use Gauss-Jordan Row Reduction to Solve the System of Equations $\begin{array} { l } 7 x - 3 y = - 10 \\- x + 9 y = 70\end{array}$

question 17

Essay

Use Gauss-Jordan row reduction to solve the system of equations.
​ $\begin{array} { l } 7 x - 3 y = - 10 \\- x + 9 y = 70\end{array}$

---

Definitions:

Understated

A term describing financial statements or figures that are reported at amounts lower than their actual or true values.

Net Income

A company's overall earnings after deducting all expenses and taxes from the gross revenue.

FIFO Cost Flow

An inventory valuation method that assumes the first items placed into inventory are the first ones to be sold.

Ending Inventory

The overall worth of products on hand for sales at the closure of an accounting cycle.