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One added to the square root of the sum of a number and four is equal to five. Find the number.
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12 votes
One added to the square root of the sum of a number and four is equal to five. Find the number.

User Putna
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1 Answer

9 votes

1 + √(x + 4 ) = 5

√( x + 4 ) = 4

16 = x + 4

x = 12

User Miorel
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