Предмет: Алгебра, автор: juli8533

допоможіть будь ласка , це терміново даю 100 балів

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Автор ответа: Universalka

1

$\displaystyle\bf\\\left \{ {{-4x+9\leq 25} \atop {-x+4 > -3}} \right. \\\\\\\left \{ {{-4x\leq 25-9} \atop {-x > -3-4}} \right. \\\\\\\left \{ {{-4x\leq16 } \atop {-x > -7}} \right.\\\\\\\left \{ {{x\geq -4} \atop {x < 7}} \right. \\\\\\Otvet:x\in\Big[-4 \ ; \ 7\Big)$

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