Respuesta :

Answer:

9r+13

Step-by-step explanation:

To solve this question, all we need to do is simplify the equation.

The equation is 8r+7+4+r. To simplify, we need to add like terms.

8r+r+7+4=9r+13

9r+13 is the equivalent equation to 8r+7+4+r.

Hope this helps!

Answer:

Step-by-step explanation:

Bring the like term together and add them

8r + 7 + 6 +r = 8r + r + 7 + 6

                    = 9r + 13