Solve the System by Substitution $$\begin{array} { l } x + y = - 2 \\x - y = - 8\end{array}$$

question 279

Multiple Choice

Solve the system by substitution.
- $$\begin{array} { l } x + y = - 2 \\x - y = - 8\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( - 6,4 ) \}\)
• C) \(\{ ( 5,4 ) \}\)
• D) \(\{ ( - 5,3 ) \}\)

---

Definitions:

Callable

Describes a financial security (e.g., a bond) that can be redeemed or "called" by the issuer before its maturity date under certain conditions.

Callable Bonds

A type of bond that can be redeemed by the issuer before its maturity date.

Carrying Value

Carrying value is the book value of an asset or liability on a company's balance sheet, calculated as the original cost minus any depreciation, amortization, or impairment costs.

Market Rate

The prevailing price or interest rate available in the marketplace for goods, services, or securities.