Hey there!
Substitute the

by itself as a
Our problem becomes: 
Make sure we get everything
away from the fraction (including

) by
subtracting
on each of your sides!
Like:
Cancel the
two 
's
Our problem becomes: 
Now we have to
multiply by

on each of your sides
Like:

Cancel the

's on the left side

Good luck on your assignment and enjoy your day!
~
