SOLUTION: If 3 is added to a number and the sum is tripled, the result is 17 more than the number?

SOLUTION: If 3 is added to a number and the sum is tripled, the result is 17 more than the number?

Algebra.Com

Question 719478: If 3 is added to a number and the sum is tripled, the result is 17 more than the number?
Answer by graphmatics(170) (Show Source): You can put this solution on YOUR website!
Let x be the number then adding 3 to the number we get x+3. Tripling it we get 3*(x+3). 17 more than the number is 17+x. As these are equal we get that
3*(3+x)=17+x
So
9+3*x=17+x
3*x-x+9-17=0
2*x-8=0
2*x=8
x=4
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