find 2 matching pairs expressions 1 2m 3 b 2 m

Find 2 matching pairs of expressions: A) 1 + 2m + 3 B) 2 + m + 4m – 1 C) 2 + 6m – 3m – 1 D) 7m + 1 – 2m E) 5m +4 – 3m