SOLUTION: Solve, please. 1/4 + 1/x = 1/5 - 3/x Thanks.

Algebra ->  Expressions-with-variables -> SOLUTION: Solve, please. 1/4 + 1/x = 1/5 - 3/x Thanks.      Log On


   

Question 124359: Solve, please.

1/4 + 1/x = 1/5 - 3/x

Thanks.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
1/4+1/X=1/5-3/X
1/X+3/X=1/5-1/4
(1+3)/X=(4-5)/20
4/X=-1/20 NOW CROSS MULTIPLY.
-X=80
X=-80 ANSWER.
PROOF
1/4-1/80=1/5+3/80
-1/80-3/80=1/5-1/4
-4/80=(4-5)/20
-1/20=-1/20