Объяснение:
20 - 6y + 36 - 4y ≥ 60
-10y ≥ 60 - 56 |÷(-10)
y ≤ -0.4
y ∈ (-∞; -0.4]
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Объяснение:
20 - 6y + 36 - 4y ≥ 60
-10y ≥ 60 - 56 |÷(-10)
y ≤ -0.4
y ∈ (-∞; -0.4]