SOLUTION: The square root of 5 more than twice a number is 7. Find the number.

SOLUTION: The square root of 5 more than twice a number is 7. Find the number.

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Question 129148: The square root of 5 more than twice a number is 7. Find the number.
Answer by Construe(3) (Show Source): You can put this solution on YOUR website!
Let the number be .
Then twice the number is .
Then 5 more than twice the number is .
Then the square root of 5 more than twice the number is , which we know is equal to .
So, we obtain this equation:

Squaring both sides:

The number is .
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