1. 
-13} \atop {3x>9}} \right. " alt=" \left \{ {{-2x>-13} \atop {3x>9}} \right. " align="absmiddle" class="latex-formula">
3}} \right. " alt=" \left \{ {{x<6,5} \atop {x>3}} \right. " align="absmiddle" class="latex-formula">
(3; 6,5), целочисленные 4, 5, 6
2.
0} \atop {2x+3>0}} \right. " alt=" \left \{ {{-2-5x>0} \atop {2x+3>0}} \right. " align="absmiddle" class="latex-formula">
2} \atop {2x>-3}} \right. " alt=" \left \{ {{-5x>2} \atop {2x>-3}} \right. " align="absmiddle" class="latex-formula">
-1,5}} \right. " alt=" \left \{ {{x<-0,4} \atop {x>-1,5}} \right. " align="absmiddle" class="latex-formula">
(-1,5; -0,4) целочисленное -1