Please help if you can. If possible please type how you got the answer so I can remember it next time I get a question like this.

Relation: 10Km + 2Km*X =

Variable Rep: X = Number of Training Rides

Step-by-step explanation:

There is 10Km of lengeth then we need to add the 2Km * the number of times he rides sence the number will incrasse by 2 each time. Hope this is right I'm not to sure if this is what the problem is asking. Best of luck <3