Question

Решите уровнение 1800:(240:y)-47=253

Answer 1

18000:(240:у)=253+47
1800:(240:у)=300
240:у=1800:300
240:у=6
у=240:6
у=40

Answer 2

1800:(240:у)=253+47
=300
240 :у=1800:300
=6
у=240:6=40