Предмет: Геометрия, автор: 12ТФЫЕН

Решите систему, срочно!!!
1. - 3у-4у+с=0
2. 5у-2у+с=0

Ответы

Автор ответа: saidakk2203
0
ДЛЯ НАХОЖДЕНИЯ У:

-7у+с=0
3у+с=0

-7у=-с
3у=-с

-у=-с/7
у=-с/3

у=с/7
у=с/3

ДЛЯ НАХОЖДЕНИЯ С:

с=0+7у
с=0-3у

с=7у
с=-3у
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