Question

Trying to figure out:
-10 | a | < -70​

Answer 1

a > 7 or a < -7

Explanation:

-10 | a | < -70

-10 |a| /-10 > -70/-10

Dividing by a negative 10 on both sides switches the inequality direction

|a| > 7

Definition of absolute value

|a| > 7 means a > 7 or -a > 7

a > 7 or a < -7