Решите уравнение 1/7х+3/4х равно 14

Question

Решите уравнение 1/7х+3/4х равно 14

Answer 1

1\7х+3\4х = 14
4\28х+21\28х = 14
25\28х = 14
х = 14:25\28 = 14*28\25
х = 15 17\25 = 15,68

Answer 2

1/7х+3/4х=14
4/28х+21/28х=14
25/28х=14
х=14:25/28=1*25/2
х=25/2=12 1/2