Respuesta :

Step-by-step explanation:x=7

5x-4=31

5x=31+4

5x=35

x=35/5

x=7

Answer:

x = 7

Step-by-step explanation:

Given

5x - 4 = 31 ( add 4 to both sides )

5x = 35 ( divide both sides by 5 )

x = 7