Respuesta :
					                   -4+x=9.5
x=13.5
The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.
					                
					             x=13.5
The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.
 
					                  