Solve the System $7 x - y = 5$ $- 14 x + 2 y = - 10$

question 442

Multiple Choice

Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.
- $7 x - y = 5$
$- 14 x + 2 y = - 10$

• A) \(\varnothing\)
• B) \(\{ ( x , 14 x - 5 ) \}\)
• C) \(\{ ( x , 7 x - 5 ) \}\)
• D) \(\{ ( x , 5 - 7 x ) \}\)

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Definitions:

Marginal Product

The additional output that is produced by employing one more unit of a factor of production, holding other factors constant.

Equilibrium Wage

The wage rate that balances the quantity of labor supplied and the quantity of labor demanded.

Perfectly Competitive

A market structure characterized by a large number of small firms, identical products sold by all firms, and no barriers to entry or exit.

Profit-Maximizing

A strategy or process by which a company seeks to achieve the highest possible profit through its operations and pricing.