SOLUTION: how can i show work on this question? 5/x+2/5=7/x

Question 897709: how can i show work on this question?
5/x+2/5=7/x
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Here is one way to solve for x. First I combined the fractions on the left side (by getting the LCD first). From there I cross multiplied and then isolated x.

or

or

or

or

or

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The two *possible* solutions are or

However, only works because plugging back into the original equation gives you a division by zero error.

So the final answer is
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