分类：教育/科学-学习帮助
问题：一道不难的数学题ifx
 if x-11<or equal-3x+2<or =x+10, then which of the follog is true of x?1, -1<or=x2, no simpler equivalent statement is possible3.x<or=44.-1<or=x<or=3/45.13/4>or=x>or=-26.3/4<or=x<=-1 
回答：ifx-11<orequal-3x+2<or=x+10,thenwhichofthefollowingistrueofx?1、-1<or=x2、nosimplerequivalentstatementispossible3、x<or=44、-1<or=x<or=3/45、13/4>or=x>or=-26、3/4<or=x<=-1x-11≤-3x+2≤x+10(1)、x-11≤-3x+24x≤13x≤13/4(2)、-3x+2≤x+104x≥-8x≥-2 ≤x≤13/4