Предмет: Математика, автор: yunusovadyana

Помогите решить 1 вариант да 25 баллов

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miron2077: прекрасно видно 5 баллов, зачем писать ерунду!

yunusovadyana: Ну я забыла баллы помнять

yunusovadyana: поменять

yunusovadyana: Решите пожайлуста

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Автор ответа: miron2077

0

мне баллы не нужны, просто из принципа!

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9+х=х+3
—--
4

5+1 +5=х
—--
7

6х-4-5х=2

(Х-9)^2=(х+4)^2

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