Respuesta :

(e=5)

7e-4=31
7e=35
e=5

Answer:

e=5

Step-by-step explanation:

7e-4=31  Add 4 on both sides of the equation.

7e=35     Divide both sides of the equation by 7.

/7   /7

e=5

I hope this helps!! Have a great day o(*U▽U*)ブ