SOLUTION: Solve the open sentence and name and graph the solution set. Please and thank you, to I can have a clear understanding of what I am doing. |b+9|=2

Algebra ->  Absolute-value -> SOLUTION: Solve the open sentence and name and graph the solution set. Please and thank you, to I can have a clear understanding of what I am doing. |b+9|=2      Log On


   

Question 75862This question is from textbook Algebra I
: Solve the open sentence and name and graph the solution set. Please and thank you, to I can have a clear understanding of what I am doing.
|b+9|=2 This question is from textbook Algebra I

Answer by albert(7) About Me  (Show Source):
You can put this solution on YOUR website!
abs%28b%2B9%29=2:


b+9=2 --> b+9-2=0 -->b+7=0 -->b=-7
b+9=-2--> b+9+2=0 -->b+11=0 -->b=-11


abs%28+-7%2B9+%29=2%29+--> abs%28+2+%29=2
abs%28-11%2B9%29=2+--> abs%28-2%29=2


Solution (b=-7 or b=-11)


Don't need to graph this. These are only 2 points for abs%28b%2B9%29 be equal 2.
Cheers.