SOLUTION: The product of a number and 4 is three times the sum of that number and ten

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Question 578993: The product of a number and 4 is three times the sum of that number and ten
Answer by nyc_function(2741) About Me  (Show Source):
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Let n = the number

4n = 3(n + 10)

4n = 3n + 30

4n - 3n = 30

n = 30

The missing number is 30.