Solve the System by the Method of Substitution $$\left\{ \begin{array} { r } 2 x + y = 9 \\- x + y = 0\end{array} \right.$$

question 104

Multiple Choice

Solve the system by the method of substitution.Check your solution(s) graphically. $$\left\{ \begin{array} { r } 2 x + y = 9 \\- x + y = 0\end{array} \right.$$

• A)(-5, -5)
• B)(3, 3)
• C)(5, 5)
• D)(-3, -3)
• E)(5, 3)

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Definitions:

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A financial market that allows banks to borrow or lend reserves overnight to meet reserve requirements.

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Assets retained by banks exceeding the compulsory minimum reserves stipulated by central bank regulations.

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Money placed into a financial institution for safekeeping, which can earn interest over time depending on the type of account.

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Assets kept on hand by a bank, company, or government to meet future liabilities, emergencies, or regulatory requirements.