Question 139885This question is from textbook Algebra 1
: what is the answer to this: the square root of the sum of a number and 7 is 8. find the number This question is from textbook Algebra 1
You can put this solution on YOUR website! what is the answer to this:
Let x = "a number"
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"the square root of the sum of a number and 7 is 8." = 8
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x + 7 = 64; squared both sides
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x = 64 - 7
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x = 57
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Check solution: = 8