Respuesta :
Answer:
4 + x or x + 4
Step-by-step explanation:
A number would be best represented as a variable: x
The sum of 4 and a number = 4 + x
4 + x or x + 4
Step-by-step explanation:
A number would be best represented as a variable: x
The sum of 4 and a number = 4 + x