Solve the Equation $\frac { x } { x + 2 } + 3 = \frac { 7 } { x + 2 }$

question 56

Multiple Choice

Solve the equation. $\frac { x } { x + 2 } + 3 = \frac { 7 } { x + 2 }$

• A) \(\{ 4 \}\)
• B) \(\left\{ \frac { 5 } { 4 } \right\}\)
• C) \(\left\{ - \frac { 1 } { 4 } \right\}\)
• D) \(\left\{ \frac { 1 } { 4 } \right\}\)
• E) \(\left\{ - \frac { 5 } { 4 } \right\}\)

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Definitions:

Spontaneous Recovery

The reappearance of a conditioned response after a period of its extinction or reduction, without further conditioning.

Conditioned Stimulus

An initially indifferent stimulus which, after being combined with an unconditioned stimulus, triggers a conditioned response.

Unconditioned Stimulus

In traditional conditioning, a stimulus instinctively and spontaneously elicits a response without needing any previous learning.

Discrimination

The unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex; in psychology, it also refers to the ability to perceive and differentiate between stimuli.