Question

http://media01.switchedononline.com/g_alg01_2011/10/426.gif

Answer 1

\[\Large {x +1\over x-8} -{x \over 8-x}\]
\[\Large ={x +1\over x-8} +{x \over x-8}\]

Answer 2

\[\huge ={2x +1\over x-8} \]

Answer 3

\[8-x = -(x-8)\]

Answer 4

Thanks you guys!

Answer 5

\[\large -{x \over 8-x} = -{x \over -\left( x-8 \right)}=+{x \over x-8}\]

Answer 6

And what makes the x a positive?

Answer 7

Nvm i know