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