Respuesta :

-0.5k+7m, good luck

Answer: -0.5k+7m

Step-by-step explanation:

0.5(7k-4m)+5m-0.5(-8m-6k)

Distribute 0.5 and -0.5 to the equations in parenthesis, so 0.5(7k-4m) and -0.5(-8m-6k)

Simplify

-3.5k-2m+5m+4m+3k

Combine like terms

-3.5k+3k= -0.5K

-2m+5m+4m=7

-0.5k+7m