Question

найдите корень уравнения

Answer 1

-3(b - 6) - 23 = 10
-3(b - 6) = 23 + 10
-3(b - 6) = 33
b - 6 = 33/-3
b - 6 = -11
b = - 11 + 6
b = -5
_______________
-3(-5 - 6) - 23 = 10
10 = 10