Walkabout wrote:
If 1 + 1/x = 2 - 2/x, then x =
(A) -1
(B) 1/3
(C) 2/3
(D) 2
(E) 3
Another approach is to eliminate the fractions at step 1.
Given: 1 + 1/x = 2 - 2/x
Multiply both sides by x to get: x + 1 = 2x - 2
Add 2 to both sides: x + 3 = 2x
Subtract x from both sides: 3 = x
Answer:
[Reveal] Spoiler:
e
RELATED VIDEO FROM OUR COURSE
Iframe








