SOLUTION: Three times the sum of a number and 7 is 45

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Question 863636: Three times the sum of a number and 7 is 45
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

Write As You Read

 3(n+7) = 45

3n + 21 = 45

   3n = 24

    n = 8

And...

 3(15) = 45