Answer:
-7 degrees celsius
Step-by-step explanation:
12-19=-7
-7
12 - 19 = -7
no;no because it is going to be negative 12.
first you do 3x-4=-12 and so if you get -12 it is not even close to 8.
4b^-1
16a/4 = 4a
4a/a = 4
4/b = 4b^-1