Decide What Values of the Variable Cannot Possibly Be Solutions $$\frac { x } { x - 7 } = \frac { 7 } { x - 7 } + 7$$

question 476

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$\frac { x } { x - 7 } = \frac { 7 } { x - 7 } + 7$$

• A) \(\{ 7 \}\)
• B) \(\{ - 7 \}\)
• C) \(\varnothing\)
• D) \(\{ 0 \}\)

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Definitions:

Marginal Cost

The outlay involved in producing an extra unit of a product or service.

Marginal Benefit

The increased pleasure or benefit received from consuming an additional unit of a product or service.

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Government spending for localized projects secured primarily to bring money to a representative's district, often criticized as wasteful and politically motivated.