Combine like terms (simplify)
4x – 3 + 2 – 2x + 2(3x - 6) =

2. Combine like terms (Simplify)
9(r –s) + 5(2r – 2s) =

3. Combine like terms (Simplify)
4(8m – 7n) + 6(3n – 4m) =