SOLUTION: The square root of the sum of a number and 9 is 5. What is the number? Representation: Equation: Solution:

Algebra ->  Test -> SOLUTION: The square root of the sum of a number and 9 is 5. What is the number? Representation: Equation: Solution:      Log On


   

Question 1189153: The square root of the sum of a number and 9 is 5. What is the number?
Representation:
Equation:
Solution:
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!


The number = x

Square root of the sum of the number x and 9 is  +sqrt%28x%2B9%29+



Equation:

sqrt%28x+%2B+9%29+=+5+



Solution:

Square both sides:

+x+%2B+9+=+25+

Subtract 9 from both sides:

+highlight%28x+=+16%29+