Предмет: Математика, автор: nifontova04

{bх+y=1
{4х-2y=b
найдите все значения числа b, при каждом из которых система уравнения имеет бесконечно много решений .

Ответы

Автор ответа: kkkh1
2
х/4=1/-2

-2х=4
х=-2

1/-2=1/х
х=-2
nifontova04: должно получиться -2
kkkh1: где? в 1 или во2?
nifontova04: b=-2
nifontova04: что значит этот знак /
kkkh1: дробь
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