SOLUTION: if 4 is added to a number and the sum is tripled the result is 28 more than the number. find the number.

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Question 733647: if 4 is added to a number and the sum is tripled the result is 28 more than the number. find the number.
Answer by vidhyak(98) About Me  (Show Source):
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Let the number be n

if 4 is added to a number and the sum is tripled the result is 28 more than the number.

4 is added to the number and the sum is tripled
3 * ( n + 4)

3 * ( n + 4) = n + 28
Solving the equation
3n + 12 = n + 28
3n - n = 28 -12
2n = 16
n =8

Number is 8