Algebra...
posted by Kenya .
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..

you divide each term, for instance on the last...
(15+21a)/3=
15/3 + 21a/3
5 7a 
But how do you get the () minus sign from the (+) addition sign...????
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