Question

How many solutions exist for 2|x-1 | = 8

Answer 1

There are 2 solutions: x = -3 and x = 5

Explanation:

2|x - 1| = 8

|x - 1| = 4

x - 1 = 4 or x - 1 = -4

x = 5 or x = -3

There are 2 solutions: x = -3 and x = 5