Question

como resolve essa equacao 5x-5+x=9+x

Answer 1

5x - 5 + x = 9 + x 

5x - 5 + x - 9 - x = 0 
  
    5x - 14 = 0 
 
       5x = 14 
 
  $x= \frac{14}{5}$

Answer 2

5x+x-x=9+5
5x=14
x=14/5