SOLUTION: Two times an angle is 30 less than its complement.....how do you set this up?

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Question 335141: Two times an angle is 30 less than its complement.....how do you set this up?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Let A = the angle
Let (90 - A) = the complement of the angle
Two times the angle = 2A.
30 less than its complement = (90 - A) - 30
We now equate and solve for A.
2A = (90 - A) - 30
Can you take it from here?