Simplify.

a) [[$ \displaystyle\frac {4x + 8} {3x + 6} = $]]

b) [[$ \displaystyle\frac {6 - 3x} {8 - 4x} = $]]

c) [[$ \displaystyle\frac {8y + 10} {4y + 5} = $]]

d) [[$ \displaystyle\frac {-4y - 8} {-2y - 4} = $]]

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