Match the equation with the step needed to solve it.
1. 2m = 1 + m

subtract 1

2. 2m - 1 = 3m


subtract 2m

3. m - 1 = 2

add 1

4. 3 = 1 + m

add 2

5. 2 + m = 3

subtract m

6. -2 + m = 1

subtract 2