Ответ:
1/5y + 2,3 = 7/10y - 3,2
1/5y - 7/10y = -3,2 - 2,3
2y - 7y = -32 - 23
-5y = -55
y = -55 : (-5)
y= 11.
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Ответ:
1/5y + 2,3 = 7/10y - 3,2
1/5y - 7/10y = -3,2 - 2,3
2y - 7y = -32 - 23
-5y = -55
y = -55 : (-5)
y= 11.