Реши неравенство и выбери правильный ответ:
3x−7≥−5x+65 .
1)x∈[9;+∞)
2)x∈[9;+∞]
3) x∈(−∞;−9)
4)x∈[−9;+∞)
5)x∈(9;+∞)
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