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a fost răspuns

6x-11>8x-27


3(x-2)+2013>x+2014


3[15-(x-1)*2]+5>20

Răspuns :

8x - 6x < 27 - 11
2x < 16
x < 8
x ∈ (-∞,8)

3(x-2)+2013>x+2014 
3x - 6 - x > 2014 - 2013
2x > 1 + 6
2x > 7
x > 7/2
x∈(7/2,∞)

3[15-(x-1)*2]+5>20
3[15-(x-1)*2]>20 - 5
15 - (x - 1)×2 > 15:3
15 - 2x + 2 > 5
2x < 17 - 5
2x < 12
x < 6
x ∈ (-∞,6)

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