Question

$x + 5x = 78$

Answer 1

Olá Extremo,

x + 5x= 78
6x=78
x=78/6
x=13.

x+5.x=78
13+ 5.13 = 78
78=78

Espero ter ajudado!

Answer 2

Boa tarde

x + 5x = 78

6x = 78

x = 78 / 6 

x = 13