Question

помогите пж оч надо!!!!!
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Answer 1

| x - 4 | - | 2 - x | = -1

x - 4 - (2 - x) = -1, x - 4 >= 0, 2 - x >= 0
- (x - 4) - (2 - x) = -1, x - 4  < 0, 2 - x >= 0
x - 4 - ( - ( 2 - x )) = -1, x - 4 >= 0, 2 - x < 0

x = 5/2, x >= 4, x <= 2

Ø, x < 4, x <= 2
Ø, x >= 4, x > 2

x = 7/2, x < 4, x > 2

x = 5/2, Ø
Ø, x ∈ ( -∞ , 2 ]
Ø, x ∈ [ 4, +∞ )
x = 7/2, x ∈ (2 , 4)

Ø
Ø
Ø
x = 7/2

x = 7/2 = 3 целых 1/2