Respuesta :

karasimpson0204

Answer:

8r+7t

Step-by-step explanation:

SValore

Answer:

An equivalent expression to 12r + t - 4r + 6t is 8r + 7t

Step-by-step explanation:

You just need to combine like-terms together, 12r and -4r, t and 6t, to get to 8r + 7t.