Ответ:
7) 3у+3= -2-7у
10у= -5
у= -1/5
8)
-10х+3= -1-8х
-2х= -4
х= 2
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Ответ:
7) 3у+3= -2-7у
10у= -5
у= -1/5
8)
-10х+3= -1-8х
-2х= -4
х= 2