Question

What is the solution to l x-3 l=7

A. x= -10, 4

B. x=-10, 10

C. x=-4, 4

D. x= -4, 10

Answer 1

B;
|-10-3| = 7 becomes 10-3 = 7 which is true
and
|10-3| = 7 becomes 10-3 = 7 which is also true

Answer 2

Whats in here could either be +7 or -7and it would still give you 7