5 + 32 . |x | = 50
32 . | x | = 50 - 5
32 . | x | = 45
9 . x = 45 => x = 45 : 9 => x = 5
9 . x = - 45 => x = - 45 : 9 => x = - 5
92 - | x + 1 | = | - 51 |
81 - | x + 1 | = 51
x + 1 = 81 - 51
x + 1 = 30 => x = 29
x + 1 = - 30 => x = - 29