Respuesta :
All you have to do is isolate the variable.
Ex: 1: add 15 to both sides and get n=6. (-9+15 is the same as 15-9 if that helps at all.) do you understand now?
Ex: 1: add 15 to both sides and get n=6. (-9+15 is the same as 15-9 if that helps at all.) do you understand now?
1) Add 15 to the other side. The answer is n=6
2) Subtract the 15 to the other side to get b=8
2) Subtract the 15 to the other side to get b=8