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Mathematics 9 Online
OpenStudy (anonymous):

Solve each inequality. Graph the solution set and answer in interval notation. Terrible at math PLEASE HELP!!!!!!!! -5 less then or equal to 4x-13 less then or equal to 7

OpenStudy (unklerhaukus):

\[-5≤4x-13≤7\]

OpenStudy (unklerhaukus):

add thirteen to each of the three parts of the inequality

OpenStudy (anonymous):

\[-8\le4x \le20\]

OpenStudy (unklerhaukus):

almost . You've got the middle and rightmost bits right , try the leftmost bit again

OpenStudy (anonymous):

i divide 4 to all three correct

OpenStudy (unklerhaukus):

yes that will be the next step , but you should have 8 not -8 on the leftmost bit as -5+13=8 ≠-8

OpenStudy (anonymous):

\[2\le X \le5\]

OpenStudy (unklerhaukus):

yes that is the final inequality, good work \[\checkmark\]

OpenStudy (unklerhaukus):

do you know how to turn that into interval notation?

OpenStudy (anonymous):

yes

OpenStudy (unklerhaukus):

can you show me ..

OpenStudy (unklerhaukus):

i hope you got x=[2,5]

OpenStudy (unklerhaukus):

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