Question 207371
If one width of a parallelogram is 21 and the side oppisite that side is 4a+b 
and the length is 13 and the side opposite that is 3a-2b, what is the value of a and b? 
(this question is from the star released question in the geometry section and its number 28, theres a diagram in there so it might help you see how the parallelogram looks like)
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We don't have the book. A diagram seems to be needed.
If you can, scan it and email it to gsihoutx@aol.com