Răspuns:
7x+6 ≥ 5x+12
7x-5x ≥ 12-6
2x ≥ 6=>x ≥ 6:2=>x ≥ 3
3x-18 < 4x-20
-18+20 < 4x-3x
2 < x
Explicație pas cu pas:
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Răspuns:
7x+6 ≥ 5x+12
7x-5x ≥ 12-6
2x ≥ 6=>x ≥ 6:2=>x ≥ 3
3x-18 < 4x-20
-18+20 < 4x-3x
2 < x
Răspuns:
Explicație pas cu pas: