SOLUTION: Solve for u, where u is a real number. square root of 4u+7 = square root of 6u-15

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Question 798681: Solve for u, where u is a real number. square root of 4u+7 = square root of 6u-15
Answer by Finavon(81) About Me  (Show Source):
You can put this solution on YOUR website!
Square both sides
4u+7 = 6u-15
Rearrange
22=2u
u=11
Check:
+sqrt%284u%2B7%29+=+sqrt%2844%2B7%29+=+sqrt%2851%29+
+sqrt%286u-15%29+=+sqrt%2866-15%29+=+sqrt%2851%29+