# Simple algebra question

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• December 31st 2012, 12:13 PM
kinhew93
Simple algebra question
If I have an equation such as y = x(x-1)/(x-1) , is it acceptable to simplify it to y = x ?
• December 31st 2012, 12:18 PM
skeeter
Re: Simple algebra question
Quote:

Originally Posted by kinhew93
If I have an equation such as y = x(x-1)/(x-1) , is it acceptable to simplify it to y = x ?

as long as you state the restriction that x cannot equal 1 ...

$y = x \, , \, x \ne 1$