1) | 2x | = 6
2x = 6 или 2x = -6
x = 6 : 2 x = -6 : 2
x = 3 x = -3
Ответ : -3; 3
2) | 3x | = 12
3x = 12 или 3x = -12
x = 12 : 3 x = -12 : 3
x = 4 x = -4
Ответ : -4; 4
3) | 5x | + 3 = 8
| 5x | = 8 - 3
| 5x | = 5
5x = 5 или 5x = -5
x = 5 : 5 x = -5 : 5
x = 1 x = -1
Ответ : -1; 1
4) | 4x | + 5 = 1
| 4x | = 1 - 5
| 4x | = -4 -4<0
Ответ : нет решения
5) | 1,5x | - 2 = 4
| 1,5x | = 4 + 2
| 1,5x | = 6
1,5x = 6 или 1,5x = -6
x = 6 : 1,5 x = -6 : 1,5
x = 60 : 15 x = -60 : 15
6) 7 - | 6x | = -5
- | 6x | = -5 - 7
- | 6x | = -12
| 6x | = 12
6x = 12 или 6x = -12
x = 12 : 6 x = -12 : 6
x = 2 x = -2
Ответ : -2; 2
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Verified answer
1) | 2x | = 6
2x = 6 или 2x = -6
x = 6 : 2 x = -6 : 2
x = 3 x = -3
Ответ : -3; 3
2) | 3x | = 12
3x = 12 или 3x = -12
x = 12 : 3 x = -12 : 3
x = 4 x = -4
Ответ : -4; 4
3) | 5x | + 3 = 8
| 5x | = 8 - 3
| 5x | = 5
5x = 5 или 5x = -5
x = 5 : 5 x = -5 : 5
x = 1 x = -1
Ответ : -1; 1
4) | 4x | + 5 = 1
| 4x | = 1 - 5
| 4x | = -4 -4<0
Ответ : нет решения
5) | 1,5x | - 2 = 4
| 1,5x | = 4 + 2
| 1,5x | = 6
1,5x = 6 или 1,5x = -6
x = 6 : 1,5 x = -6 : 1,5
x = 60 : 15 x = -60 : 15
x = 4 x = -4
Ответ : -4; 4
6) 7 - | 6x | = -5
- | 6x | = -5 - 7
- | 6x | = -12
| 6x | = 12
6x = 12 или 6x = -12
x = 12 : 6 x = -12 : 6
x = 2 x = -2
Ответ : -2; 2