Posted by **natalie** on Tuesday, September 20, 2011 at 4:27pm.

Could someone please help me with this problem?

square root of (2x+1) -5 = 8

I think I take the 5 and add it to the 8 and then I have

square root of (2x+1) = 13

then do I square both sides and end up with 2x+1 = 13^2

2x+1=169

2x+1-1=169-1

2x=168

x=84 am I even close on this?

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