Respuesta :

y = 3

If you'd like an explaination, please, ask.

I just don't want to write all of the steps out -- yey, apathy.
Jiggyfly
PEMDAS
48=30+6y
18=6y
y=3
logic checks out on this if you plug it back in.
6*8 = 48
48= 30 + 6 * 3
48 = 30 + 18
48=48
true