Solve the System by Elimination $\{ ( 0,1 ) \}$ B) $\varnothing$

question 160

Multiple Choice

Solve the system by elimination.
7x - 6y = 7
7x + 6y = 7

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

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Definitions:

Net Income

The total profit of a company after all expenses, including taxes and operating costs, have been subtracted from total revenue.

Operating Profits

Earnings before interest and tax (EBIT), which is the profit from a business's core operations excluding financing costs and taxes.

Profit Margin

A financial metric used to evaluate a company's profitability, calculated as net income divided by revenue.

COGS/Sales

COGS/Sales is a financial ratio that measures the cost of goods sold against the total sales revenue, often used to assess the efficiency of production.