Solve the System by Elimination $$\begin{array} { c } x + 5 y = - 5 \\- 7 x + 6 y = 35\end{array}$$

question 117

Multiple Choice

Solve the system by elimination.
- $$\begin{array} { c } x + 5 y = - 5 \\- 7 x + 6 y = 35\end{array}$$

• A) \(\{ ( - 4 , - 5 ) \}\)
• B) \(\varnothing\)
• C) \(\{ ( - 5,0 ) \}\)
• D) \(\{ ( 5 , - 1 ) \}\)

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Definitions:

Standard Quantity

The predetermined amount of material or inputs expected to be used in the production of a product or service.

Standard Price

The predetermined cost of a single unit of input, such as materials or labor, used in standard costing practices.

Direct Labour

The labor costs for employees directly involved in the production of goods or services.

Actual Hours

The real number of hours worked, as opposed to the planned or standard hours set for a job or task.