1/7х+3/14х=14 Помогите

Question

1/7х+3/14х=14
Помогите

Answer 1

1/7x+ 3/14x= 14
(2/14+3/14)*x=14
5/14x= 14
x= 14/1:5/14
x= 14/1* 14/5
x= 196/5
x=39 1/5