Respuesta :

n is 12
because if you add 4 and 3 you get 7.
84 divided by 7 is 12.
stressedstudent
The answer would be 12 because use the distributive property for n so you would do nx3 which gives you 3n and nx4 which gives you 4n then you’d add those to get 7n and then you’d do 84 divides by 7 which is 12