Solve the System by the Addition Method $$\left\{ \begin{array} { l } 6 x - 12 = 6 y \\2 x + 2 y = - 20\end{array} \right.$$

question 68

Multiple Choice

Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set
notation to express the solution set.
- $$\left\{ \begin{array} { l } 6 x - 12 = 6 y \\2 x + 2 y = - 20\end{array} \right.$$

• A) \(\{ ( - 4 , - 5 ) \}\)
• B) no solution; \(\varnothing\)
• C) \(\{ ( - 5 , - 5 ) \}\)
• D) \(\{ ( - 4 , - 6 ) \}\)

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Definitions:

After-tax Gain

The amount of profit that remains after subtracting the taxes owed on the gain.

Intercompany Profit

Intercompany profit arises from transactions between units of the same company, requiring elimination during the consolidation process to avoid inflating revenues and profits.

After-tax Gain

The net profit that remains after subtracting the tax due from the total gain of a transaction or investment.

Equity Method

An accounting technique used to record an investor's earnings proportional to their stake in an associates company.