№5 1)4x - 2 = 2x + 6 2)2(2 + y) = 19 - 3y

Решим уравнения: 1) (4x - 2 = 2x + 6) (4x - 2x = 6 + 2) (2x = 8) (x = rac{8}{2}) (x = 4) Ответ: x = 4 2) (2(2 + y) = 19 - 3y) (4 + 2y = 19 - 3y) (2y + 3y = 19 - 4) (5y = 15) (y = rac{15}{5}) (y = 3) Ответ: y = 3