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711)

$\left \{ {{2x \ \textgreater \ 1} \atop {-3x\ \textgreater \ -15}} \right.$

$\left \{ {{x \ \textgreater \ \frac{1}{2} } \atop {x\ \textless \ 5}} \right.$

x∈ (0,5 ; 5)

712)

$\left \{ {{-3x\ \textgreater \ -6} \atop {5x\ \textgreater \ 3}} \right.$

$\left \{ {{x\ \textless \ 2} \atop {x\ \textgreater \ \frac{3}{5} }} \right.$

x∈ (0,6 ; 2)

713)

$\left \{ {{3x\ \textgreater \ -2} \atop {-2x\ \textgreater \ -1}} \right.$

$\left \{ {{x\ \textgreater \ -\frac{2}{3}} \atop {2x\ \textless \ 1}} \right.$

$\left \{ {{x\ \textgreater \ -\frac{2}{3}} \atop {x\ \textless \ \frac{1}{2} }} \right.$

x∈ (- $\frac{2}{3}$ ; 0,5)

714)

$\left \{ {{4x\ \textless \ -2} \atop {-2x\ \textgreater \ 10-7}} \right.$

$\left \{ {{x\ \textless \ - \frac{1}{2} } \atop {-2x\ \textgreater \ 3}} \right.$

$\left \{ {{x\ \textless \ - \frac{1}{2} } \atop {x\ \textless \ 1,5}} \right.$

x∈ (-∞ ; -0,5)

715)

$\left \{ {{5x\ \textless \ -4} \atop {3x\ \textgreater \ -1,5}} \right.$

$\left \{ {{x\ \textless \ - \frac{4}{5} } \atop {x\ \textgreater \ - \frac{1}{2} }} \right.$

x∈ ∅

716)

$\left \{ {{-2x\ \textless \ -3} \atop {6x\ \textgreater \ 2}} \right.$

$\left \{ {{x\ \textgreater \ 1,5} \atop {x\ \textgreater \ \frac{2}{3} }} \right.$

x∈ (1,5 ; ∞)

717)

$\left \{ {{-6x\ \textless \ 14-2 \atop {5x\ \textless \ 1+21}} \right.$

$\left \{ {{-6x\ \textless \ 12 \atop {5x\ \textless \ 22}} \right.$

$\left \{ {{x\ \textgreater \ -2 \atop {x\ \textless \ 4,4}} \right.$

x∈ (-2 ; 4,4)

718)

$\left \{ {{-x\ \textgreater \ 9-8} \atop {6x\ \textless \ 1-4}} \right.$

$\left \{ {{-x\ \textgreater \ 1} \atop {6x\ \textless \ -3}} \right.$

$\left \{ {{x\ \textless \ -1} \atop {x\ \textless \ - \frac{1}{2}}} \right.$

x∈ (-∞ ; -1)

719)

$\left \{ {{x\ \textless \ -2} \atop {2x\ \textless \ -1}} \right.$

$\left \{ {{x\ \textless \ -2} \atop {x\ \textless \ - \frac{1}{2} }} \right.$

x∈ (-∞ ; -2)

720)

$\left \{ {{3x\ \textless \ -12} \atop {2x\ \textless \ 1}} \right.$

$\left \{ {{x\ \textless \ -4} \atop {x\ \textless \ \frac{1}{2} }} \right.$

x∈ (-∞ ; -4)

721)

$\left \{ {{x-7x\ \textless \ 2+1} \atop {11x-x\ \textgreater \ 3-13}} \right.$

$\left \{ {{-6x\ \textless \ 3} \atop {10x\ \textgreater \ -10}} \right.$

$\left \{ {{x\ \textgreater \ - \frac{1}{2}} \atop {x\ \textgreater \ -1}} \right.$

x∈ (-0,5 ; ∞)

722)

$\left \{ {{-x-x\ \textless \ 2-3} \atop {3x+2x\ \textgreater \ 1+1}} \right.$

$\left \{ {{-2x\ \textless \ -1} \atop {5x\ \textgreater \ 2}} \right.$

<img src="https://tex.z-dn.net/?f=+%5Cleft+%5C%7B+%7B%7Bx%5C+%5Ctextgreater+%5C++%5Cfrac%7B1%7D%7B2%7D+%7D+%5Catop+%7Bx%5C+%5Ctextgreater+%5C++%5Cfrac%7B2%7D%7B5%7D+%7D%7D+%5Cright.++" id="TexFormula31" title=" \left \{ {{x\ \textgreater \ \frac{1}{2} } \atop {x\ \textgreater \ \frac{2}{5}

drakerton_zn (10.1k баллов) 10 Май, 18