Respuesta :

Answer:

5x+12=18*5

5x=18*5-12

x=(18*5-12)/5

x=78/5

1/5 (5x + 12) = 18
x + 2.4 = 18
x + 2.4 - 2.4 = 18 - 2.4
x = 15.6

Hope that helps :))
if it is wrong sorry