(24-360:x)*6=90
24-360x=90/6
24-360x=15
360x=24-15
360x=9
x=360/9
x=40
(24-360:40)*6=90
24-360:х=90:6
24-360:х=15
360:х=24-15
x=360:9
Проверка
Верно
(24-360:x)*6=90
24-360x=90/6
24-360x=15
360x=24-15
360x=9
x=360/9
x=40
(24-360:40)*6=90
24-360:х=90:6
24-360:х=15
360:х=24-15
360x=9
x=360:9
x=40
Проверка
(24-360:40)*6=90
Верно