SOLUTION: i think of a number,multiplying the number by 3 and subtract 3 from it, the results is 9.what is the number?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: i think of a number,multiplying the number by 3 and subtract 3 from it, the results is 9.what is the number?       Log On


   

Question 980042: i think of a number,multiplying the number by 3 and subtract 3 from it, the results is 9.what is the number?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
Make the number 'x'
3x - 3 = 9
3x = 9 + 3
3x = 12
x = 4
Hope this helps:-)