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Re: HALP ME WITH ALGEBRA HOMEWORK

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Vunro is not online. Vunro
Joined: 24 Oct 2009
Total Posts: 18204
29 Sep 2011 09:04 PM
this might be easy but im stuck on them

7 - 5x = 10 - (6x+7)

-(a+3) = -2(2a+1) - 7
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zombiekiller112 is not online. zombiekiller112
Joined: 03 Apr 2009
Total Posts: 43486
29 Sep 2011 09:05 PM
bread
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cornholio234 is not online. cornholio234
Joined: 22 Oct 2010
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29 Sep 2011 09:05 PM
burritos
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Vunro is not online. Vunro
Joined: 24 Oct 2009
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29 Sep 2011 09:06 PM
stop im being serious -_-
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aerosmith09 is not online. aerosmith09
Joined: 01 May 2009
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29 Sep 2011 09:06 PM
Doritos
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Fluttershyismywaifu is not online. Fluttershyismywaifu
Joined: 07 Aug 2011
Total Posts: 96
29 Sep 2011 09:06 PM
A NUMBER.

-Drbender
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Storm980 is not online. Storm980
Joined: 08 Aug 2010
Total Posts: 10857
29 Sep 2011 09:06 PM
TACO!

~The Official Super Moose of OT~
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Vunro is not online. Vunro
Joined: 24 Oct 2009
Total Posts: 18204
29 Sep 2011 09:07 PM
Now I'm starting to think Sierra is smarter than all of you.
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dawoofinater is not online. dawoofinater
Joined: 12 Sep 2008
Total Posts: 10657
29 Sep 2011 09:08 PM
just distribute then move the variable to one side.
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cornholio234 is not online. cornholio234
Joined: 22 Oct 2010
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29 Sep 2011 09:08 PM
NEVA!
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thatsawesome is not online. thatsawesome
Top 50 Poster
Joined: 02 Mar 2010
Total Posts: 51549
29 Sep 2011 09:08 PM
i dont know what alegebra is


i feel stupid




:I
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TheShoulderShrug is not online. TheShoulderShrug
Joined: 08 Feb 2011
Total Posts: 3099
29 Sep 2011 09:08 PM
the answer is 97.5
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Barksdale1222 is not online. Barksdale1222
Joined: 21 May 2011
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29 Sep 2011 09:09 PM
[ Content Deleted ]
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Vunro is not online. Vunro
Joined: 24 Oct 2009
Total Posts: 18204
29 Sep 2011 09:09 PM
@dawoof

How am I suppose to do that with the first one?
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LLegomman is not online. LLegomman
Joined: 07 Dec 2010
Total Posts: 2522
29 Sep 2011 09:09 PM
7-5x=10-(6x+7)

7-5x=10-6x-7

7+11x=10-7

7+11x=3

11x=-4

11x/11x=-4/11

.36363636363...

Rounded= -.37

Sorry if I'm wrong. :/
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friedchicken009 is not online. friedchicken009
Joined: 04 Mar 2011
Total Posts: 12502
29 Sep 2011 09:10 PM
2 = signs, invalid.
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kickmecookies is not online. kickmecookies
Joined: 08 Nov 2008
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29 Sep 2011 09:10 PM
97.5
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aerosmith09 is not online. aerosmith09
Joined: 01 May 2009
Total Posts: 9651
29 Sep 2011 09:10 PM
Distribute property right?
I think...
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TheShoulderShrug is not online. TheShoulderShrug
Joined: 08 Feb 2011
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29 Sep 2011 09:10 PM
see, both me and kickmecookies agree
its 97.5
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friedchicken009 is not online. friedchicken009
Joined: 04 Mar 2011
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29 Sep 2011 09:11 PM
First one: -4
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fastlane250 is not online. fastlane250
Top 25 Poster
Joined: 18 Jun 2007
Total Posts: 100043
29 Sep 2011 09:11 PM
I never was good at maths. :(
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KingJoeJun is not online. KingJoeJun
Joined: 06 Aug 2011
Total Posts: 976
29 Sep 2011 09:11 PM
7 - 5x = 10 - (6x+7)

For this one, you distribute the negative on the right side I believe:
7-5x=10-6x-7
Add 6x to both side
7+1x=10-7
7+1x=3
-7 on both sides
1x=3
x=3



-(a+3) = -2(2a+1) - 7

Distribute negative on left side and distribute -2 on right side.
-a-3=-4a-2-7
-a-3=-4a-9
Add 4a on both sides
3a-3=-9
add 3 to both sides
3a=-6
divide by 3
a=-3
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KingJoeJun is not online. KingJoeJun
Joined: 06 Aug 2011
Total Posts: 976
29 Sep 2011 09:12 PM
Sorry for the second on it's -2.
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D0M1NOTheRevenge is not online. D0M1NOTheRevenge
Joined: 23 Aug 2011
Total Posts: 78
29 Sep 2011 09:12 PM
7 - 5x = 10 - (6x+7)

-(a+3) = -2(2a+1) - 7


1.


7-5x = 10 - (6x+7)
-2x = 60x-70
-2x = -10x
/2 /2

x=-5

2.
-(a+3) = -2(2a+1) - 7
-(a+3) = -4a -2 -7
-3a = 13a


Just leave it like that
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MajorMatthew is not online. MajorMatthew
Joined: 04 Oct 2008
Total Posts: 6583
29 Sep 2011 09:12 PM
In the first one think of a negative one in front of the parenthesis.
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