Question

помогите решить 1 3/7*x+7/8=1 3/8

Answer 1

1 3/7=10/7
1 3/8=11/8
10x/7+7/8=11/8
10x/7=11/8-7/8
10x/7=4/8
10x=4/8*7
x=28/8:10=28/80=7/20