Предмет: Математика, автор: Аноним

2х-9=3 и x+4b=-12 Решите уравнение

Ответы

Автор ответа: prostodi27

2

2x-9=3
2x=3+9
2x=12
x=12/2
x=6

x+4b=-12
x=-12-4b

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