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Mathematics 17 Online
OpenStudy (anonymous):

solve using the addition and multiplication principles 9+3x<18 the solution set is {x|x

OpenStudy (saifoo.khan):

3x < 9 x < 9/3 x < 3

OpenStudy (anonymous):

I don't understand that..lol

OpenStudy (saifoo.khan):

y is that?

OpenStudy (anonymous):

are you dividing 9 by 3? to get 3 ?

OpenStudy (saifoo.khan):

yes

OpenStudy (saifoo.khan):

i cross multiplied

OpenStudy (anonymous):

where did the 18 go?

OpenStudy (saifoo.khan):

I skippd the 1st step: 3x<18 - 9

OpenStudy (anonymous):

so then I am subtracting 9 from both then dividing by 3?

OpenStudy (saifoo.khan):

yes, u can say it tht way!

OpenStudy (anonymous):

awesome!! Thanks for your help :)

OpenStudy (saifoo.khan):

[: uw

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