SOLUTION: how do you solve for x in this equation. i got it down to 7 square root equals 21. Heres the question 7 squareroot x - 21= 0

Algebra ->  Square-cubic-other-roots -> SOLUTION: how do you solve for x in this equation. i got it down to 7 square root equals 21. Heres the question 7 squareroot x - 21= 0      Log On


   

Question 300459: how do you solve for x in this equation. i got it down to 7 square root equals 21.
Heres the question
7 squareroot x - 21= 0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
7 squareroot x - 21= 0
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Assuming it's
7sqrt%28x%29+=+21 and not 7sqrt%28x-21%29+=+0
Divide by 7
sqrt%28x%29+=+3
x = 9
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