2 – x ≥ 0

-x ≥ -2

x ≤ 2

3 – (2 – x) = x – 1

3 – 2 + x = x – 1

1 + x = x – 1

1 = -1

Nุ

2 – x ≤ 0

-x ≤ -2

x ≥ 2

3 – (-(2 – x)) = x – 1

3 + 2 – x = x - 1

5 – x = x – 1

-2x = -6

x = 3

x = 3