Posted by HELP !!! on Tuesday, July 21, 2009 at 6:58pm.
collect like terms
10u+5v6u7v
5v 5v=2
10u 10u =16
answer=18
is my answer correct

math  Reiny, Tuesday, July 21, 2009 at 8:04pm
no, you can only add/subtract like terms
10u+5v6u7v
= 10u  6u + 5v  7v
= 4u  2v