Solve Each System by Using Either the Substitution or the Elimination-By-Addition

question 231

Short Answer

Solve each system by using either the substitution or the elimination-by-addition method, whichever seems more appropriate. $$\left( \begin{array} { c } 5 x - y = 8 \\6 x + 9 y = 1\end{array} \right)$$

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Definitions:

Retained Earnings

The portion of a company's profits not distributed to shareholders as dividends and retained for reinvestment or debt repayment.

Pro Forma Net Income

A projected net income over a specific period, calculated under hypothetical assumptions or adjustments.

Profit Margin

A financial metric that measures the percentage of revenue that exceeds the costs of goods sold, indicating the profitability of a company.

Sales Decrease

A reduction in the amount of goods or services sold by a business within a specific time period.