Posted by **Daniel** on Wednesday, December 8, 2010 at 2:54pm.

2(2.5b-9) + 6b= -7 what is b

- 7th grade -
**Ms. Sue**, Wednesday, December 8, 2010 at 2:57pm
2(2.5b-9) + 6b= -7

5b - 18 + 6b = -7

11b = -7 + 18

11b = 11

b = ?

- 7th grade -
**Daniel**, Wednesday, December 8, 2010 at 3:09pm
what does b equal

- 7th grade -
**Ms. Sue**, Wednesday, December 8, 2010 at 4:24pm
11/11 = b

- 7th grade -
**Amber**, Monday, December 13, 2010 at 4:55pm
2(2.5b-9) + 6b= -7

5B -18 +6B= -7

Add the B's

11B -18=-7

+18 +18

11B= -11

Divide by 11 each side to get

B=-1

- 7th grade -
**angie**, Tuesday, April 26, 2011 at 11:06am
i need help on probability in math

- 8th grade -
**HIV testing**, Thursday, December 13, 2012 at 5:54pm
B equal I don't care

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