Simplify.

a) [[$ \displaystyle\frac {3x + 6} {3} = $]]

b) [[$ \displaystyle\frac {4x - 6} {2} = $]]

c) [[$ \displaystyle\frac {8x + 10y} {2} = $]]

d) [[$ \displaystyle\frac {9y - 6} {3} = $]]

Take a picture of your solution and return it to the submission folder.