Respuesta :

Answer:

Step-by-step explanation:

1/2x+12x+x-15+x-25+100=540

add up all like terms:

1/2x+1/2x+x+x= 3x

-15+(-25)+100= 60

3x+100= 540

Subtract 100 from 540

540-100= 440

divide 440 by 3

440/3= 146.67 or 146 2/3