Question

помогите решить уравнение (х+27)-12=42

Answer 1

x+27=12+42
x+27=54
x=54-27
x=27

Answer 2

(x + 27) - 12 = 42

(x +27) = 42 + 12

(x + 27) = 54

27x = 54

x = 54 / 27

x = 2