A piece of yarn 29 inches long is cut into two parts. If one of the resulting pieces is m inches long, represent the length of the other piece.

For this case we have the following equation:

piece 1 + piece 2 = 29

Substituting the value of:

piece 2 = m

we have:

piece 1 + m = 29

Clearing we have:

piece 1 = 29 - m

Answer:

The length of the other piece is:

29-m