8 - y - 4(2 - 3y) = 24 + 3y

8 - y - 8 + 12y = 24 + 3y

Combine like terms:

12y - y + 12 = 24 + 3y

11y + 12 = 24 + 3y

Subtract 3y from both sides:

11y + 12 - 3y = 24

8y + 12 = 24

Subtract 12 from both sides:

8y = 12

Divide by 8:

y = 12/8

y = 1.5

Ответ: y = 1.5