Posted by Kenya on Thursday, October 9, 2008 at 9:29pm.
This is dividing Rational Numbers....
I forgot how to do this...
22x + 10 / 2
45  5x / 5
15 + 21a / 3
I forgot how to do this seriously..

Algebra...  bobpursley, Thursday, October 9, 2008 at 9:33pm
you divide each term, for instance on the last...
(15+21a)/3=
15/3 + 21a/3
5 7a 
Algebra...  Kenya, Thursday, October 9, 2008 at 9:38pm
But how do you get the () minus sign from the (+) addition sign...????