HELP WITH ALGEBRA!!!!!!!
posted by yasha .
Suppose the lengths of the four side of a quadrilateral are represented by the expressions 3a, a+2, 2a1, and 3a+6. write the sum of the lenghts (the perimeter), and then simplify.

HELP WITH ALGEBRA!!!!!!! 
bobpursley
please do not post multiple times, it just slows down. Putting your cries in the subject line slows getting an answer. Most Math teachers answer the ones titled math first.
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