Respuesta :
Answer:
The answer is B. 7
Step-by-step explanation:
3 + x = 10
3 + 7 = 10
					                   B.
x=7.
Step by step:
x+3=10.
x=7.
(I subtracted 3 on both sides)
Hope this helped!! :)
					                
					             x=7.
Step by step:
x+3=10.
x=7.
(I subtracted 3 on both sides)
Hope this helped!! :)
 
			                   
					                  