Respuesta :

thebecks

Answer:

x=10.5

Step-by-step explanation:

5(x+3)=(6)(12)-[.5(6)(12-x)]

5x+15=72-36+3x

reduce

2x=21

x=10.5

check

5(10.5+3)=(6)(12)-[.5(6)(12-10.5)]

52.5+3=72-4.5

reduce

67.5=67.5