{13x-10<8x+5<br>{10x-11>6x-4
{13x-8х <10 +5<br>{10x-6х >11 -4
{ 5х <15<br>{4х > 7
{ х < 3
{ х > 7/4 х > 1 3/4
/////////////////////////////////////
_____ 1 3/4 _________3_______________
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
х∈ ( 1 3/4 ; 3)