Question 1151644


{{{x-3 <= 6}}} and {{{x+1 >= 9}}}

{{{x <= 6 +3}}} and {{{x >= 9-1}}}

{{{x <= 9}}} and {{{x >= 8}}}

=> {{{8<=x<=9}}}

integer solutions: {{{x=8}}} and {{{x=9}}}

interval: [{{{8}}},{{{9}}}]

graph:

<a href="https://www.imageupload.net/image/FsKYc"><img src="https://www.imageupload.net/upload-image/2020/01/26/MSP5d8ae02feaa37c104.th.gif" alt="MSP5d8ae02feaa37c104.gif" border="0" /></a>