Question

Решите уранение!!!
3(x+7)+16=52

Answer 1

3(х+7)+16=52,
3x+21+16=52,
3x=52-21-16,
3x=15,
x=5
Вроде так

Answer 2

3(x+7)+16=52
3(x+7)=52-16
3(x+7)=36
x+7=36:3
x+7=12
x=12-7
x=5
Пр.
3(5+7)+16=52
52=52