Ответ: 0,5
4(1,5-4y) = -8+8y/2
6-16y = -8+8y/2 (*2
12-32y = -8+8y
40y = 20
y = 0,5
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Ответ: 0,5
4(1,5-4y) = -8+8y/2
6-16y = -8+8y/2 (*2
12-32y = -8+8y
40y = 20
y = 0,5