2(4−3y)+4(8−y)≤60
2×4-2×3у+4×8-4у
8-6у+32-4у≤60
40-10у≤60
-10у≤60-40
-10у≤20
у≥20÷(-10)
у≥-20÷10
у≥-2
2(4−3y)+4(8−y)≤60
2×4-2×3у+4×8-4у
8-6у+32-4у≤60
40-10у≤60
-10у≤60-40
-10у≤20
у≥20÷(-10)
у≥-20÷10
у≥-2