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you can use <= or less than or equal

Okay

Yes that's correct

So like distribute a 12 in?

yes, but on both sides

12x-5+3 (3-x) <= 16?

yes, now distribute the 3

12x-5+9-3x <=16

now combine "like terms"

12 x's take away 3 x's
and -5+9

9x+4 <=16

now add -4 to both sides

9x <=12?

yes. now divide both sides by 9
(remember it's ok to divide by positive numbers)

Ok

\[ \frac{9x}{9} \le \frac{12}{9} \]
and 9/9 on the left side simplifies to 1

and we can simplify 12/9
(divide top and bottom by 3)

Uhm but I think the answer is supposed to be x greater than or equal to -12

Are you sure we started with the correct problem?
for the problem I posted we get
x <= 4/3

Yes

I'm confused hsha

Here are the possible problems:
1) typo in the problem
2) typo in answer key

Wait... it's actually a problem that some one did and I have to explain where they went wrong

maybe if you post a copy of the page...

take a screen shot or a picture

How do I post the picture tho?

click on "attach file"

It doesn't say that for me

are you at a computer or using the iPad app?

I'm on my phone

do you see a paper clip icon ?

just got on laptop
gimme a sec

do you see what they did wrong?

they didnt change the 4/3?

yes. as for *our problem* we started with (12x-5)/12 and it should be (2x-5)/12

oh. orry

sorry*

of course that changes everything.

yeah

can you do the work ? this one is more tricky because we will get a negative x

let me try

im stuck at -x+4<=16

add -4 to both sides

i subtract 4 and then divide by -1 right?

then the sign flips

okay :)

thanks so much!

yw