Tallahassee was established as the capitol of Florida because it was between Pensacola and St. Augustine. The distance from Pensacola to Tallahassee is 192 miles. The distance from Tallahassee to St. Augustine can be represented as (8x+3) miles. The distance from Pensacola to St. Augustine can be represented as (18x-55) miles. Is Tallahassee the midpoint of Pensacola and St. Augustine? Show your work to support your conclusion.