geometry
posted by diana .
the degree measure of angle A is represented by 2x20 and the degree measure of angle B by 2x. Find the value of x, measure of angle A and B.

From what you posted, we do not know what is the relation between A and B.
Is the triangle isosceles? is A and B complementary or supplementary, is one the external angle of the other?
You have to find the relation from the diagram or describe it if you cannot post the diagram. 
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