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Mathematics 13 Online
OpenStudy (anonymous):

13-9m<58

OpenStudy (anonymous):

What are the solutions of the inequality in set builder notation?

OpenStudy (solomonzelman):

add 13 ti both sides

OpenStudy (anonymous):

you get 71

OpenStudy (solomonzelman):

on the right side, yes

OpenStudy (anonymous):

but when I divide by 9 i get 7.8888.... repeating. How would I make that into a notation?

OpenStudy (anonymous):

\[\left\{ m/m> ? \right\}\]

OpenStudy (anonymous):

Can you explain it step by step?

OpenStudy (solomonzelman):

Plug 71/9 or 7.8888... into that instead of '?' yes, I would write is a fraction to be precise.... Can you set it into a builder notation? (either decimal or fraction would be fine.)

OpenStudy (solomonzelman):

Sure!

OpenStudy (solomonzelman):

The first step is to eliminate the variable.

OpenStudy (anonymous):

I try my best but I'm very confused

OpenStudy (solomonzelman):

13-9m<58 (just recalling)

OpenStudy (anonymous):

yes

OpenStudy (solomonzelman):

by variable I mean not just m, I mean 9m.

OpenStudy (solomonzelman):

See, you have to get the 9m aalone.

OpenStudy (anonymous):

okay so to eliminate the variable I did |dw:1382581188248:dw|

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