Question

Дана формула (a-b)*c=d.Найдите b

Answer 1

(a-b)*c=d
a-b=d/c
-b=(d/c)-a
b=a-(d/c)

Answer 2

(a-b)*c=d

ac - bc = d

- bc = d - ac

- b = ( d - ac ) / c

b = - (d + ac ) / c