Пошаговое объяснение:
(x-2)/(x-7)=5/8
8*(x - 2) = 5*(x - 7)
8x - 16 = 5x - 35
8x - 5x = -35 + 16
3x = -19
x = -19:3
x = -6 1/3
8х-5х=-35+16
3х=-19
х=-19/3
Пошаговое объяснение:
(x-2)/(x-7)=5/8
8*(x - 2) = 5*(x - 7)
8x - 16 = 5x - 35
8x - 5x = -35 + 16
3x = -19
x = -19:3
x = -6 1/3