Решите пожалуйста. 1/7х-15=1/4х+3

Question

Решите пожалуйста. 1/7х-15=1/4х+3

Answer 1

1/7х-15=1/4х+3      1/7 -1/4= 4/28 - 7/28= - (7/28-4/28)= - 3/28=
1/7х-1/4х=15+3       18:(-3/28)= -   18*28    
- 3/28х=18                                       -------    = 168
х= 18 : (-3/28)                                    3
х=168