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January 27, 2015

January 27, 2015

Posted by **Cynthia** on Thursday, April 3, 2008 at 4:51pm.

x+21/x+3<2

x+21/x+3 - 2(x+3)/x+3 <0

x+21-2(x-3)/x+3<0

x+21-2x-6/x+3<0

answer

15-x/x-3<0(is this right?)

- Algebra -
**Anonymous**, Thursday, April 3, 2008 at 5:07pmYou are close. They want you to find the values of x so that the equation the inequality is true. So just do that and you have your answer. I'll be happy to check you answer again when you are done.

Just a note. When you are writing fractions horizontally, you have to put parenthesis around the numerator and the denominator. Otherwise like for your x+21/x+3

It's the same as x + (21/x) + 3. The proper way to do it is (x+21)/(x+3) but anyways its very minor and you probably don't right fractions horizontally in real life, normally.

- Algebra -
**Cynthia**, Thursday, April 3, 2008 at 10:31pmIs this right?

(15-x)/(x-3)<0

15-x<0

-x<-15

answer is x>15

x+3<0

answer is x<-3

- Algebra -

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