Odpowiedzi

2010-04-09T21:18:27+02:00
2(x-1)+3≤4(x+3)-1
2x - 2 + 3 ≤ 4x + 12 -1
2x - 4x -≤ 12 - 1 + 2 -3
-2x ≤ 10 / : -2
x ≥ -5
1 5 1
2010-04-09T21:21:14+02:00
2(x-1) + 3 ≤ 4(x+3) -1
2x-2+3 ≤ 4x + 12 = 1
2x+1 ≤ 4x+11
2x - 4x ≤ 11-1
-2x ≤ 10 / : (-2)
x ≥ -5


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