Respuesta :

Answer:

x = 7

Step-by-step explanation:

Subtract 7.2 from both sides of 11.3x + 7.2 = 86.3, obtaining:

11.3x = 79.1

Then x = 79.1 / 11.3 = 7

The answer is x = 7.

Please, when you list possible answers, separate them from one another using commas, semicolons or new entry lines.  Thank you.