Consider the Following System $$\left\{ \begin{array} { c } 7 x + y = 54 \\y = - 7 x - 18\end{array} \right.$$

question 26

Multiple Choice

Consider the following system: $$\left\{ \begin{array} { c } 7 x + y = 54 \\y = - 7 x - 18\end{array} \right.$$ Substitute $- 7 x - 18$ for y in the first equation. How many variables does the resulting equation contain?

• A)1
• B)0
• C)2
• D)4
• E)none of the above

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Definitions:

Shortfall

A deficiency or gap where something falls short of expectations or required levels.

Workers

Individuals engaged in a physical or mental activity to achieve a purpose or result, often in exchange for payment.

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Individuals from racial or ethnic groups that are not in the majority within a specific community or country, often marked by visible differences.

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A situation in which there are insufficient qualified candidates available to fill the positions needed by employers in the labor market.