Simplify the following expression. 3y - 2x + z - 2x + 3(x + y)

3y - 2x + z - 2x + 3(x + y) 3y - 2x + z - 2x + 3*x + 3*y 3y - 2x + z - 2x + 3x + 3y 3x - 2x - 2x + 3y + 3y + z -x + 6y + z