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:

FIFO Method

A inventory valuation method that assumes the first items placed in inventory are the first ones sold.

Process Costing

Process costing is a cost accounting method used for homogeneous products, where the costs are assigned to batches of products instead of individual units.

Conversion Costs

The sum of labor and overhead expenses required to convert raw materials into finished products.

Equivalent Units

Equivalent Units are a concept in cost accounting used to represent the amount of work done during a period, expressed in fully completed units of output.