X*81+67=553 уравнение

Question

X*81+67=553 уравнение

Answer 1

X*81=553-67
x*81=486
x=486:81
x=6
Ответ:к.у.=6

Answer 2

X*81+67=553

х*81=553-67

х*81=486

х=486:81

х=6