-14 < 7x < 21 Solve the compound iniquity and graph it’s solution.

asked May 9, 2023 12.4k views

4 votes

-14 < 7x < 21
Solve the compound iniquity and graph it’s solution.

4.0k points

Please log in or register to add a comment.

1 vote

Answer:

-2 < x < 3

Explanation:

-14 < 7x < 21

Divide all three sides by 7 :

-14 < 7x < 21

$\Longleftrightarrow (-14)/(7) < (7x)/(7) < (21)/(7)$

$\Longleftrightarrow -2 < x < 3$

The solution in interval notation (-2 , 3)

ZiGaelle answered May 13, 2023

4.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.7m questions

6.2m answers