Решите СРОЧНО ПОШАГОВО пожалуйста . Created by tomirissakibaeva12. matematika-ru

Ответ:{2x+5y-16=0{-2x-7y+20=0Складываем (2x+5y-16)+(-2x-7y+20)=0-2x+4=0 y=2Подставиим найденную переменную в первое уравнение2x+5(2)-16=0x=3(3;2)Надеюсь помогла Спасибо большое Реклама Реклама Новые вопросы в Математика ПОМОГИТЕ ПОЖАЛУЙСТА 2.212 Решите уравнение: а) (х – 47) + 63 = 100; 6) 120 - (x + 96) = 24; в) 48 + (56 - x) = 48; г) (90 – x) — 42 = 58 ггпподлулукшгапгплпшешеш Как решить уровнение:469+(658-в)=967 Неизвестное число увеличили на 7 2/21 и получили 15 3/14 . Найдите число 2. Обчисли. а) 10 % від 25; б) 15 % від 460; В) 5,5 % від 104; г) 4,5 % від 13,5. Для актового зала купили 8 кусочка шёлка , по 18 м в каждом . На шторы израсходовали три четвёртых части всего шёлка . Сколько шёлка осталось? СРОЧНО! … !! Пж! 1 а) 3 1/8-2-4/5 б) 4-(2 3/4+1/5) 2. а)1-23/30 б)2 5/6+3 7/12 в)7 6/7+2 3/14 Неизвестное число увеличили на 7 21 и получили 15 3/14 . Найдите число Скоротыты дриб 32 и 56 Предыдущий Следующий Реклама - это не так уж плохо Реклама - это не так уж плохо Понимаем - вы пришли сюда не за рекламой. Но она помогает нам предоставлять бесплатный доступ к Знаниям. Пожалуйста, внесите наш сайт в список разрешенных. ОК, разблокирую рекламу на Знаниях! Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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