реши уравнение х-5=12 а-4=2 у-5=2 х-6=12

[tex]1. x - 5 =12 \\ x = 12 + 5 \\ x = 17 \\ 2. a - 4 = 2 \\ a = 2 + 4 \\ a = 6 \\ 3. y - 5 = 2 \\ y = 5 + 2 \\ y = 7 \\ 4. x - 6 = 12 \\ x = 12 + 6 \\ x = 18[/tex]