Question

1/3+х=5/12; х-3/20=1/5

Answer 1

1/3+x=5/12
x=5/12-1/3=5/12-4/12
x=1/12
Ответ: х=1/12
х-3/20=1/5
х=1/5+3/20=4/20+3/20=7/20
Ответ: х=7/20