Add the Rational Expressions $\frac { x - 5 } { 6 } + \frac { x + 7 } { 7 }$

question 36

Multiple Choice

Add the rational expressions. Be sure to express your answer in simplest form. $\frac { x - 5 } { 6 } + \frac { x + 7 } { 7 }$

• A) \(\frac { 36 } { 13 x + 7 }\)
• B) \(\frac { 13 x - 77 } { 42 }\)
• C) \(\frac { 13 x + 7 } { 42 }\)
• D) \(\frac { 13 x - 7 } { 42 }\)
• E) \(\frac { 2 x + 7 } { 13 }\)

---

Definitions:

Cooing

The early vocalization of infants, consisting of soft, murmuring sounds, particularly when content or as an early form of communication.

Holophrase

A single word that is used to express a complete, meaningful thought.

Whole Thought

A complete or comprehensive thought that encapsulates a fully formed idea or concept.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled, or sensed in any way).