SOLUTION: I am trying to figure out how to solve this problem using the substitution method. I know that it equals 1000, but I can't figure out how to show the proper work. Any help of guida

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: I am trying to figure out how to solve this problem using the substitution method. I know that it equals 1000, but I can't figure out how to show the proper work. Any help of guida      Log On


   

Question 468361: I am trying to figure out how to solve this problem using the substitution method. I know that it equals 1000, but I can't figure out how to show the proper work. Any help of guidance would be appreciated. Thank you.
60+.20(x-550)=120+.15(x-800)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

solving by:

60 + .20(x-550)=120 +.15(x-800)

1) removing the parenthesis

60+.20x-110 =120+.15x-120

2)combining Like terms

 .20x - 50 = .15x               

3) Isolating the variable on one side of the EQ

     .05x = 50

        x = 50/.05

        x = 1000