Grant attempted to solve an equation but made an error. What is his error, and
which step did he make it in?
-4 + 2x = 5 – (x – 3) + 3x
-4 + 2x = 5 - x + 3 + 3x
-4 + 2x = 5 + 4x + 3
-4 + 2x = 8 + 4x