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Help with math

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Hairspray
Posts: 298 - Karma: 14
I have to do this algebra questions and i dont get how you do it.
One is 2/3(6+-9v+4v)=?
and the other is 11(3x+2)+4(5x+6)=?
i have a test tomorrow on this stuff
Ill gettit if no on replies, this is boring shit.
Nov 8 2007 11:23PM
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quixotic
Posts: 6937 - Karma: 2,978
that shit's easy, i'm procrastinating a speech due tomorrow.
Nov 8 2007 11:29PM
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Avifarer
Posts: 5926 - Karma: 598
dont you just get the variable on one side and the numbers without on the other?
what grade are you in btw?
Nov 8 2007 11:30PM
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quixotic
Posts: 6937 - Karma: 2,978
Fine... i'll walk you through the second one because it's easier and it's late... same concept on the first one but with the fraction...

All you have to do is multiply out the parenthesis...

11(3x+2)+4(5x+6)

11(3x) + 11(2) + 4(5x) + 4(6)

33x+22+20x+24

now simplify..

53x+46

BRAVO! you done it.  now do the same thing with the first.
Nov 8 2007 11:34PM
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quixotic
Posts: 6937 - Karma: 2,978
my bad i misread that.  i thought you needed to simplify.

but yeah do as the gay said before me, put the variable on one side.
Nov 8 2007 11:35PM
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quixotic
Posts: 6937 - Karma: 2,978
gay=guy

funny typo
Nov 8 2007 11:35PM
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Piste.Off
Posts: 11586 - Karma: 1,861
2/3(6+-9v+4v)=?

2/3 x (6-9v + 4v)
first do 6-9 then times it by v then add 4 to that then times it by v. times that number by 2/3.

11(3x+2)+4(5x+6)=?

11 times 3 times x plus 2. then do 4 times 5 times x + 6. then add both of your answers from, each Parentheses that you multiplied by 11 and 4
Nov 8 2007 11:37PM
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Piste.Off
Posts: 11586 - Karma: 1,861
damnit i suck
Nov 8 2007 11:38PM
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Avifarer
Posts: 5926 - Karma: 598
so now would you go like 53x = 46
then divide by 46?
then x =
that's the stuff he's doing right?
Nov 8 2007 11:46PM
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Hairspray
Posts: 298 - Karma: 14
Wow, thanks
Nov 8 2007 11:47PM
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mtbakerteacher
Posts: 4185 - Karma: 20
It would be 53x=-46 because you have to subtract on both sides. then divide by 53.
Nov 8 2007 11:49PM
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rhcp
Posts: 2598 - Karma: 18

Just look online (not a forum).

Or, you know, open your text book.  I've found that opening the text book helps.


Nov 8 2007 11:50PM
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Avifarer
Posts: 5926 - Karma: 598
so ya the answer would be x = -46/53 i'm pretty sure
not sure what the fraction would be cause my 83 is at school
Nov 8 2007 11:51PM
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mtbakerteacher
Posts: 4185 - Karma: 20
2/3(6+-9v+4v)=?
2/3(6-5v)=?
2/3*6 = 4
2/3*-5v = -3 1/3v
3 1/3v +4=?
-4 -4
3 1/3v = -4
----- ---
3 1/3 3 1/3
v =is about -1 1/5
Nov 8 2007 11:59PM
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Hoodbum
Posts: 111 - Karma: 10
bingo
Nov 9 2007 12:02AM
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