Question

Como resolver 5x-5x=9+x ?

Answer 1

5x - 5x=9+x

0 = 9+x

-x = 9

X= -9

Answer 2

5x-5+x=9+x5x−5+x=9+x 

5x+x-5=9+x5x+x−5=9+x 

6x-5=9+x6x−5=9+x 

6x-x=9+56x−x=9+5 

5x=145x=14 

x=14/5x=14/5 

Solução: {\frac{14}{5}514​ }