Предмет: Математика, автор: solodkova

Помогите решить задачу!!!!!!!!!!!!!!!!!!!!!!!!!! плизззззззз!!!!!! Ученик задумал да числа. Разность первого и второго чисел равна 8. Утроенное первое число на 4 меньше, чем ворое число, увеличенное в 5 раз. Какие числа задумал ученик ?

Ответы

Автор ответа: ульяна2536
2
обозначим первое число за х, а второе за узначит по условию
 х-у=8 И 5у-3х=4
составляем из этого систему и решаем еех
-у=8 домножим на 3 чтобы избавиться от
 х5у-3х=4 
3х-3у=24-3х+5у=4
теперь сложением системы получим
2у=28у=14
 у=14х-у=8отсюдах=22
Ответ:первое загаданное число равно 22,а второе 14
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