It's unreasonable to hope or expect that someone will do a whole sheet of problems for you.
I've arbitrarily chosen to help you with #25:
4x - 9 + 3x + 6 - 9x - 4
Group the x-terms together. Then group the constants together:
4x + 3x - 9x - 9 + 6 - 4
-2x - 7 (answer)
