2(y-3.5)=7+3.6(2y-1)
2y-7=7+7.2y-3.6
5.2y=10.4
y=2
Ответ: 2
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2(y-3.5)=7+3.6(2y-1)
2y-7=7+7.2y-3.6
5.2y=10.4
y=2
Ответ: 2