Respuesta :

Answer: 4a + b - 5

Step-by-step explanation:

We can only simplify the like terms of 3a and a, which add to 4a and we keep the rest the same.

Answer:

4a +b -5

Step-by-step explanation:

Let's simplify step-by-step.

3a + b + a −5

= 3a + b + a + −5

Combine Like Terms:

= 3a + b + a + −5

= (3a + a) + (b) + (−5)

= 4a + b + −5