5.6 m was cut from a piece of fabric. How many meters of fabric were in a piece if 2/7 of this piece were cut off.

This task is not difficult and can be solved in one step. From the condition of the problem, it is known how many meters of fabric were cut from a piece, and it is also known how much of the cut piece is from the entire piece of fabric, so you can immediately answer the question of the problem.
Find out how many meters of fabric were in the piece.
5.6: 2/7 = 19.6 meters.
Answer: There were only nineteen point six meters in a piece of cloth.