SOLUTION: i dont get 2=3x-13. i really dont get the inverse.

Algebra ->  Equations -> SOLUTION: i dont get 2=3x-13. i really dont get the inverse.       Log On


   

Question 119446: i dont get 2=3x-13.
i really dont get the inverse.
Answer by chitra(359) About Me  (Show Source):
You can put this solution on YOUR website!
The given equation is:
f(x) => 2 = 3x - 13

This can be written as: f(x) = 3x - 13 - 2

f(x) = 3x - 15

Let y = f(x) = 3x - 15

==> y = 3x - 15

==> 3x = y + 15

==> x+=+%28y+%2B+15%29%2F3

==> y%5E-1+=+%28x+%2B+15%29%2F3