Question 537558
{{{(3y-15)/(5-y)}}}<P>
Factor -3 out of the top.<P>
{{{-3(5-y)/(5-y)}}}<P>
Cancel the (5-y)'s<P>
-3<P>
Another way to solve it would be to substitute some number for y.  Try 0.<P>
{{{(3(0)-15)/(5-0)=-15/5=-3}}}
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