Respuesta :

Answer:

14 + 1m + 7n

Explanation:

I combined like terms 5m - 4m and 22 + -8. After I simplified the equation from there.

·Hope I helped, -SunnySideHelper·

22+5m-4m+7n-8
14+5m-4m+7n-8
14+1m+7n <-- Answer