Asked by Derek

if 1-1/x=2-2/x, then 3-3/x=?

A. -3
B. -1/3
C. 0
D. 1/3
E. 3

idek how to do it?
Answered by Reiny
show me what you have done so far.

Answered by derek
1-1/x+2-2/x
Answered by Reiny
writing down the equation by skipping the equal signs is not "showing some work"
Answered by derek
1-1/x+2-2/x=3

1/2+2
Answered by Steve
1 - 1/x = 2 - 2/x
1 - 1/x = 2(1 - 1/x)
so, 1 - 1/x = 0
x = 1

so, 3 - 3/x = 3 - 3 = 0
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