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=1*25/2
х=25/2=12 1/2

Answer 2

17х+34х = 14
428х+2128х = 14
2528х = 14
х = 14:2528 = 14*2825
х = 15 1725 = 15,68