# algebra

posted by
**deborah** on
.

7 -y

_____

Y - 7

Does this factor to 1????

Assuming that the two Ys (y and Y) indicate the same unknown, it would be -1.

(7 - Y)/(Y - 7) = -1(Y - 7)/(Y - 7)

The (Y - 7) terms cancel each other out, leaving -1.

I hope this helps. Thanks for asking.