perform the indicated operation: 8/r + 9/(r - 9)

tink21

New member
Joined
Nov 7, 2006
Messages
1
I am having a problem with this:

Perform the indicated operation:

. . .8/r + 9/(r - 9)

I got an answer of:

. . .(17r - 72)/(r(x - 9))

Is this right, or at least close? Thank you!
 

stapel

Super Moderator
Staff member
Joined
Feb 4, 2004
Messages
15,943
Correct the "x" in the denominator to an "r", and you'll have the correct expression.

Eliz.
 
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