During football game, kevin gained five yards on the first play. then he lost seven yards on the second play. how many yards does kevin need on the next play to get the team back to where they were when they started?

Kevin needs 2 yards to get back to original place.

Picture a number line. the starting point is 0. go forward 5 which brings u to 5 on the number line. then since he lost 7 go back 7 which brings u to -2. now to get back to 0 you need to go forward 2. which means that he must gain 2 in order to get back to the starting point.

Something that is true about that is that it has numbers