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Ответ

Ответ дан
taeutopia20

Ответ:

-1.8у+5у=3.2-4

3.2у=-0.8

у=-0.25

Ответ

Ответ дан
pakdaha321
A) 5a-3a=3+6
2a=8
a=4
B) 12y+y=23+3
13y=26
y=2
) -2a+7a=-10
5a=-10
=-2

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