For this case, the first thing we must do is define the variable x. We have then, that according to the statement of the problem: x = Weight of firefighter in pounds. We now write the equation that fits the problem. We have the following information: "a firefighter uses equipment that weighs 60 pounds." The firefighter weighs x pounds " Thus: t = x + 60 Answer: An equation that can be used to find the total weight of both the fighter and his equipment is: t = x + 60