Problem : Solve for x: | 2x + 5| = 7

x = - 6, 1

Problem : Solve for x: 7| 2 - x| = 21

x = - 1, 5

Problem : Solve for x: | 10 - 4x| = 10

x = 0, 5

Problem : Solve for x: | 8x - 1| + 5 = 6

x = 0,

Problem : Solve for x: | 3x + 2| + 6 = 4

There are no solutions.

Problem : Solve for x: | 3(x - 5)| = 21

x = - 2, 12