SOLUTION: 1/5 + 1/x = 1/8

Algebra ->  Test -> SOLUTION: 1/5 + 1/x = 1/8      Log On


   

Question 745511: 1/5 + 1/x = 1/8
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F5+%2B+1%2Fx+=+1%2F8
moving terms...

1%2F5+-1%2F5%2B+1%2Fx+=+1%2F8-1%2F5

common denominator...
1%2Fx=%281%2F8%29%285%2F5%29-%281%2F5%29%288%2F8%29

1%2Fx=5%2F40-8%2F40

1%2Fx=-3%2F40

taking reciprocal...
x=-40%2F3