Question

Solve |x| = 74, if possible

Answer 1

|a| = a for a ≥ 0

|a| = -a for a < 0

|x| = 74 ⇒ x = 74 or x = -74

check:

|-74|=-(-74) = 74

|74| = 74

CORRECT

Answer: x = -74 or x = 74.