Предмет: Математика, автор: dania20081100

реши уравнения методом "весов"​

Приложения:

Ответы

Автор ответа: MJfrenchy
1

Ответ:

1)х=11

2)у=4

Пошаговое объяснение:

1)12х-39=8х+5

12х-8х=39+5

4х=44

Х=11

2)6(у-1,4)=3,5у+1,6

6у-8,4=3,5у+1,6

6у-3,5у=8,4+1,6

2,5у=10

У=4


MJfrenchy: Здравствуйте. К сожалению, по этим ссылкам не получается пройти. Но я посмотрела у вас в профиле ваши вопросы, и мне кажется, они не подходят мне по моим нынешним знаниям математики. Извините. Всего хорошего
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