Seudónimo Seudónimo 06-12-2016 Mathematics contestada Please help with 6-8. Combine like terms to simplify. 6. 3v + w + 8 - 2v + 2 7. 8c^2 + 6c - 2c^2 - 5c 8. z + 5e +3z + 13 - 8 -2e