Respuesta :
-12 - x = 9
Add both sides by 12
-x = 21
Multiply both sides by -1
x = -21
That's your answer. Have an awesome day! :)
From your friendly Helper-in-Training, collinjun0827
Add both sides by 12
-x = 21
Multiply both sides by -1
x = -21
That's your answer. Have an awesome day! :)
From your friendly Helper-in-Training, collinjun0827