The perimeter of a building is 78 feet. the width of the building is seven more than three times the length of the building. what is the width of the building? solve algebraically justify your answer using math vocabulary. must use complete sentences

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation