Question

. Решите систему неравенств : 3x +4>-17 x -6<3
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Answer 1

Ответ:

$\left \{ {{3x+4>-17} \atop {x-6<3}} \right. \\\\\left \{ {{3x>-17-4} \atop {x<3+6}} \right. \\\\\left \{ {{3x>-21} \atop {x<9}} \right. \\\\\left \{ {{x>-21:3} \atop {x<9}} \right. \\\\\left \{ {{x>-7} \atop {x<9}} \right.$

Таким образом:

х ∈ (-7 ; 9)

Пошаговое объяснение: