6 5x>6-1 5x> 5 x>1\\2x-4<3 2x<3+4 2x<7 x<3,5 ответ: 1 < x < 3.5 \left \{ {{2x+9\ \textgreater \ 6x+3} \atop {-x/2\ \textgreater \ -1}} \right. 2x+9\ \textgreater \ 6x-3 2x-6x\ \textgreater \ -3-9 -4x\ \textgreater \ -12 -x\ \textgreater \ -3 -x/2\ \textgreater \ -1 |*2
-x\ \textgreater \ -1 |*-1
x\ \textless \ 1
ответ: -1,5\ \textless \ x\ \textless \ 1
" alt=" \left \{ {{5x+1\ \textgreater \ 6} \atop {2x-4\ \textless \ 3}} \right. 5x+1> 6 5x>6-1 5x> 5 x>1\\2x-4<3 2x<3+4 2x<7 x<3,5 ответ: 1 < x < 3.5 \left \{ {{2x+9\ \textgreater \ 6x+3} \atop {-x/2\ \textgreater \ -1}} \right. 2x+9\ \textgreater \ 6x-3 2x-6x\ \textgreater \ -3-9 -4x\ \textgreater \ -12 -x\ \textgreater \ -3 -x/2\ \textgreater \ -1 |*2
-x\ \textgreater \ -1 |*-1
x\ \textless \ 1
ответ: -1,5\ \textless \ x\ \textless \ 1
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