Предмет: Математика, автор: vovabikm10

56-(х+12)=24. И 48:(9х-х)=2 можно без проверки

Ответы

Автор ответа: Аноним

56-(х+12)=24
56-х-12=24
44-х=24
-х=24-44
-х=-20. (2- образуют +)
х=20

48:(9х-х)=2
х не равняется 0
48:(8х)=2
$\frac{48}{8x} = 2$
6/х=2
6=2х
2х=6
х=3 ; х≠0
х=3

vovabikm10: А это за какой класс

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