SOLUTION: X=square root 20-X

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Question 775966: X=square root 20-X
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x = square root 20-x
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x+=+sqrt%2820%29+-+x
2x+=+sqrt%2820%29
4x%5E2+=+20
x+=+sqrt%285%29