Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { l } - 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \\5 ( x + y ) - x + y = 22\end{array} \right.$

question 50

Multiple Choice

Solve the system of equations by the substitution method.
- $\left\{ \begin{array} { l } - 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \\5 ( x + y ) - x + y = 22\end{array} \right.$

• A) infinite number of solutions
• B) no solution
• C) \(( 3,1 )\)
• D) \(( 1,3 )\)

---

Definitions:

Investment Center

A segment or area of a business responsible for generating revenue as well as controlling its own costs and investments.

Balanced Scorecard

A performance evaluation approach that incorporates multiple performance dimensions by combining financial and nonfinancial measures.

Nonfinancial Measures

Performance indicators not based on financial data, often used to assess aspects like customer satisfaction, employee turnover, or production quality.

Financial Measures

Various metrics used to assess a company’s financial health, performance, and stability, including profitability, liquidity, and solvency ratios.