Answer:
x = 6/7
Explanation:
Rewrite the question,
-1/x = -7/2 + 2/x
Move the fraction containing variables to the left,
-1/x - 2/x = -7/2
-3/x = -7/2
Remove the negative,
3/x = 7/2
Using cross multiplication,
3(2) = 7x
6 = 7x
6/7 = x
So in conslusion, x = 6/7