You are walking directly away from your house. you were 5 miles away from your house when you started walking, so you can determine your distance from your house by adding 5 to the number of miles you have walked. in the table below, x represents the number of miles you have walked, and y represents your distance from home in miles. the relationship between these two variables can be expressed by the following equation: y=x+5, , suppose you end up 22 miles away from home. how many miles did you walk?