SOLUTION: One eighth of the square root of 7 less than a number is 2. What is the number? I also need the proof for it. Please and Thank You=)

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Question 138970This question is from textbook algebra
: One eighth of the square root of 7 less than a number is 2. What is the number?
I also need the proof for it.
Please and Thank You=) This question is from textbook algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=number __ (sqrt(x-7))/8=2

multiplying by 8 __ sqrt(x-7)=16

squaring __ x-7=256

adding 7 __ x=263