2 – x ≥ 0

-x ≥ -2

x ≤ 2

2x – 7= 2 – x

3x = 9

x = 3

nesplňuje podmínku x ≤ 2

2 – x ≤ 0

-x ≤ -2

x ≥ 2

2x – 7 = -(2 – x)

2x – 7 = -2 + x

x = 5

x = 5