24 = -2 (b-3)+8
24 = -2b + 6 + 8
24 = -2b + 14
subtract both sides by 14 to get rid of the 14
10 = -2b
divide both sides by -2 to get rid of the -2
therefore b = -5
2006-11-01 15:03:01
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answer #1
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answered by kristyb872001 6
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distribute the -2 across across the (b-3) in parenthesis to get -2b+6 then add your 8. After you add the 8 it should look like 24=-2b+14, now subtract 14 from both sides to get, 10=-2b+0, you can now drop the zero because it does not add to the question so it will look like, 10=-2b, i am assuming you want to find (b) so divide both sides by -2. it should then look like -5=b. So that is your answer, b=-5.
2006-11-01 14:58:42
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answer #2
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answered by roncho 4
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B=3
First
-2(b-3) distributes as -2b+6
So then you have
24=-2b+6+8b
Then
-2b+8b=6b
So then we have
24=6b+6
Next subtract 6 from both sides to get
18=6b
Last divide both sided by 6 to get
3=b, or b=3
Pay no attention to anyone else this is the Answer.
2006-11-01 15:09:14
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answer #3
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answered by Anonymous
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24=-2(b-3)
24= -2b+6+8
24= -2b+14
24-14=-2b
10= -2b
10/-2=b
-5=b
answer: b=-5
2006-11-01 14:54:55
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answer #4
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answered by Seeker 4
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If I'm reading this correctly (is the last term 8b?)
24=-2b+6+8b
18=6b
b=3
2006-11-01 14:57:27
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answer #5
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answered by kelsey 7
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-5
-2(-5-3)+8
-5-3=-8
-8*-2 =16
16+8 = 24
just to tell you guys there is - in front of 2
2006-11-01 14:54:40
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answer #6
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answered by Anonymous
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b=-5
24=-2(b-3)+8
-8 -8
___________
16=-2(b-3)
16=-2b + 6
-6 -6
_________
10=-2b
/-2 /-2
_______
-5= b
(minus the 8 and the 6 from each side of the equation, thats why i wrote it twice... that way you can keep track of the equation and make sure that it works out)
Develope a system that you always do with this type of equation, that way its easier to work through them!
2006-11-01 15:03:23
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answer #7
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answered by c 2
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Let me show you the steps to solve this problem.
24 = -2(b-3)+8b
24 = (-2b+6)+8b
24 = (-2b+8b)+6
24-6 = -2b+8b
-2b+8b = 24-6
6b = 18
b = 18/6
b = 3
Try to figure out how i do these as you will not learn anything if i explain every steps to you.
If you still cannot understand,you may ask me.
2006-11-01 14:59:26
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answer #8
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answered by Si J 2
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24=-2(x-3)-8
+8
32=-2(x-3)
/-2
-16=x-3
2006-11-01 14:55:33
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answer #9
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answered by zimix2004 2
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24-8=-2(b-3)
16/-2 = (b-3)
-8 = b-3
-8+3=b
-5=b
Dan V , above, is wrong... its not to find roots .... :s
2006-11-01 15:48:24
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answer #10
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answered by Megan g 2
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