Respuesta :

kishonwinston
-12(k+4) = 60
-12k-48=60
-12k = 108
k = 108/-12
k = -9
-12(k+4)=60
-12k - 48 = 60
add 48 to both sides
-12k - 48 + 48 = 60 +48
simplify
-12k = 108
divide both sides by -12
-12k/-12 = 108/-12
simplify
k = -9