The sum of three timesthree times a number and 11 more than the number is the same as the difference between negative 17−17 and twice the number. what is the number?

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.