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Mathematics 15 Online
OpenStudy (anonymous):

−2/5x−9<9/10

OpenStudy (solomonzelman):

Willing to learn?

OpenStudy (anonymous):

yes

OpenStudy (solomonzelman):

OK \[−2/5x−9<9/10\] Right?

OpenStudy (anonymous):

yeah

OpenStudy (solomonzelman):

What do you think is your FIRST step going to be?

OpenStudy (anonymous):

adding 9 to both sides

OpenStudy (solomonzelman):

Yep!

OpenStudy (solomonzelman):

Do that.... and you get

OpenStudy (anonymous):

-2/5x < 9 9/10

OpenStudy (solomonzelman):

OK! To make it easier, you will see why, try to put 9 9/10, into a fraction, (Not a mixed number)

OpenStudy (solomonzelman):

9 9/10 is equal to what, as a fraction?

OpenStudy (anonymous):

91/10

OpenStudy (solomonzelman):

No!

OpenStudy (anonymous):

hold on

OpenStudy (anonymous):

99/10

OpenStudy (solomonzelman):

Yep

OpenStudy (solomonzelman):

So what do you have now

OpenStudy (solomonzelman):

(what does the equation look like?

OpenStudy (solomonzelman):

So |dw:1382104462107:dw|

OpenStudy (anonymous):

multiply both sides by - 5/2

OpenStudy (anonymous):

= - 99/4?

OpenStudy (solomonzelman):

Yep!

OpenStudy (anonymous):

thank you

OpenStudy (solomonzelman):

You are welcome, anytime! i see your smart, you just need to practice with this and I would say move into a harder math world.

OpenStudy (anonymous):

:) thank you

OpenStudy (anonymous):

can you help me with one more?

OpenStudy (solomonzelman):

next one...)

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