Question

|2x-3|<6 ??????????????

Answer 1

$|x| textless a; ; Leftrightarrow ; ; ; ; -a textless x textless a; ; ; ili; ; ; left { {{x textless a} atop {x textgreater -a}} right. \\\|2x-3| textless 6; ; ; Leftrightarrow; ; ; left { {{2x-3 textless 6} atop {2x-3 textgreater -6}} right. ; left { {{2x textless 9} atop {2x textgreater -3}} right. ; left { {{x textless 4,5} atop {x textgreater -1,5}} right. \\-1,5 textless x textless 4,5; ; ; ili; ; ; xin (-1,5; ;; 4,5)\\--$