SOLUTION: I need to know what x is. I have been working on one problem for two hours and I can't take it anymore... I don't know what to do from here and I've searched my notes and textboo

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons  -> Linear Equations Lesson -> SOLUTION: I need to know what x is. I have been working on one problem for two hours and I can't take it anymore... I don't know what to do from here and I've searched my notes and textboo      Log On


   

Question 8735: I need to know what x is. I have been working on one problem for two hours and I can't take it anymore... I don't know what to do from here and I've searched my notes and textbook... I will paste how far I've gotten.. (not very far!) Can you tell me how it's done from here?

2) (4/5)x + 18 = 12
-18 -18
(4/5)x = -6
(4/5) (4/5)
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
You've done fine as so far so let's see the next step.
%284%2F5%29x+=+-6 Multiply both sides by the multiplicative inverse of (4/5), that's (5/4)
%285%2F4%29%284%2F5%29x+=+%28-6%29%285%2F4%29
x+=+-30%2F4
x+=+-7.5