(n-17274)*(118+714:7)=126500
(n-17274)*(118+714:7)=126500(n-17274)*220=126500 220n-3800280=126500 220n=126500+3800280 n=3926780:220 n=17849 Проверка: (17849-17274)*(118+714:7)=126500 575*220=126500 126500=126500