2/3(-3/8x + 6) + (1/2x + 1.5) - (8.5 - 1/6x) =
= 2/3 (-3/8x) + 2/3 6 + 1/2x + 1.5 - 8.5 + 1/6x == -1/4x + 4 + 1/2x + 1.5 - 8.5 + 1/6x == -1/4x + 1/2x + 1/6x + 4 + 1.5 - 8.5 == 1/12x - 3 + 1.5 - 8.5 == 1/12x - 10.5
Ответ: 1/12x - 10.5
2/3(-3/8x + 6) + (1/2x + 1.5) - (8.5 - 1/6x) =
= 2/3 (-3/8x) + 2/3 6 + 1/2x + 1.5 - 8.5 + 1/6x =
= -1/4x + 4 + 1/2x + 1.5 - 8.5 + 1/6x =
= -1/4x + 1/2x + 1/6x + 4 + 1.5 - 8.5 =
= 1/12x - 3 + 1.5 - 8.5 =
= 1/12x - 10.5
Ответ: 1/12x - 10.5