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Ответ

Ответ дан
BogachevaDi
1) 4х-2х+7=19
2х=19-7
х=12 |2
х=6


2) 8x+3x-5=39
11х=39+5
11х=44
11x=44 |11

х=4

Ответ

Ответ дан
ОлькаЛелька90

Ответ:


Пошаговое объяснение:

4х-2х+7=19,

4х-2х = 19-7

2х = 12

х = 12/2

х = 6


8х+3х-5=39

8х+3х = 39+5

11х = 44

х = 44/11

х = 4

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