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Question 48004: Solve the equation.
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Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
+sqrt%283x-3%29+-+9+=+0+
+sqrt%283x-3%29+=+9+
The opposite of a square root is to square. So square both sides and the square root is cancelled out on the lefthand side:
+3x-3+=+9%5E2+
+3x-3+=+81+
+3x+=+84+
x = 84/3
x = 28

jon