Respuesta :

fai24

Answer:

x = 13

Step-by-step explanation:

5x - 11 +2x +20 + 11x - 63 = 180

5x+2x+11x = 180+11-20+63 (group the like terms)

18x = 234

18x/18= 234/18 (divide by coefficient)

x = 13