1/3*(x-7)-3/8*(x+1)=1

Ответ:

Пошаговое объяснение:

1/3*(x-7)-3/8*(x+1)=1

1/3*x - 7/3 - 3/8*x - 3/8 = 1

8/24*x - 9/24*x - 56/24 - 9/24 = 1

-1/24*x - 65/24 = 1

-1/24*x = 1 + 65/24

-1/24*x = 89/24

x = 89/24 * (-24)

x = -89