SOLUTION: 5. Solve for x: (x – 2)/4 – 1/5 = (7x + 1)/20

Algebra ->  Expressions -> SOLUTION: 5. Solve for x: (x – 2)/4 – 1/5 = (7x + 1)/20       Log On


   

Question 163895: 5. Solve for x:
(x – 2)/4 – 1/5 = (7x + 1)/20

Answer by alicealc(293) About Me  (Show Source):
You can put this solution on YOUR website!
%28x+%96+2%29%2F4+%96+1%2F5+=+%287x+%2B+1%29%2F20
multiply this equation by 20, then we get:
5*(x - 2) - 4 = 7x + 1
<=> 5x - 10 - 4 = 7x + 1
<=> 5x - 7x = 1 + 10 + 4
<=> -2x = 15
then we get x = -15/2