SOLUTION: the square root of the sum of a number 9 is 6.find the number

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Question 625072: the square root of the sum of a number 9 is 6.find the number
Answer by Aztec(6) About Me  (Show Source):
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the square root of the sum of a number 9 is 6.find the number
sqrt(x+9)=6 <===get rid of the square root by squaring both the left hand side and right hand side
x+9 = 36
x=36-9
x=27