SOLUTION: if 3 is added to a number and the sum is tripled, the result is 13 more than the number.?
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Question 795550: if 3 is added to a number and the sum is tripled, the result is 13 more than the number.?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
if 3 is added to a number and the sum is tripled, the result is 13 more than the number.
3(3 + x) = 13 + x
9 + 3x = 13 + x
Collect like terms:
3x - x = 13 - 9
2x = 4
x = 2
The number is 2.
Hope this helps
:-)
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