Question

1/x - x/9 = 0. What does x equal?

Answer 1

Combine expressions and isolate the variable to get |3| or (3,-3)

Answer 2

1/x - x/9 =0
(cross multiply) 1*9 - X*X. =0
= 9 - X^2 =0
=X^2 =0 +9
X^2 =9 (take the square root of both 9 and X squared)
X= 3

PROOF CHECK; 1/3-3/9= 0