Solve the System of Equations by Using Substitution $$\left\{ \begin{array} { r } x + 7 y = - 2 \\3 x + y = 34\end{array} \right.$$

question 25

Multiple Choice

Solve the system of equations by using substitution.
- $$\left\{ \begin{array} { r } x + 7 y = - 2 \\3 x + y = 34\end{array} \right.$$

• A) \(x = - 2 , y = 3\)
• B) \(x = 7 , y = 12\)
• C) \(x = 12 , y = - 2\)
• D) \(x = 3 , y = 7\)

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Definitions:

Price-Consumption Curve

A curve that shows how a consumer's optimum basket varies with changes in the price of a good, holding other factors constant.

Shifting Demand Curve

A shifting demand curve occurs when there is a change in a non-price factor, such as consumer preference or income, altering the quantity demanded at any given price.

Price-Consumption Curve

A graphical representation that shows the combination of two goods that a consumer can purchase at different prices, keeping utility constant.

Utility

A measure of satisfaction or happiness that a consumer derives from consuming goods and services.