Respuesta :

Answer:

3x + 4

Step-by-step explanation:

3 ( x - 1 ) + 7

3x - 3 + 7

3x + 4

Can I get brainliest

 Answer:

3x + 4 if you need any other math problems you could go to m a t h way .c o m

Step-by-step explanation

:3 ( x - 1 ) + 7

3x - 3 + 7

3x + 4