In science class, the average score on a lab report is 87 points, with all students scoring within 1.8 points of the average. If x represents a student's score, write an equation that represents the minimum and maximum scores.
|x − 87| = 1.8
|x + 87| = 1.8
|x − 1.8| = 87
|x + 1.8| = 87