Answer:
5°C
Step-by-step explanation:
We need to add 12 onto the -7:
-7 + 12 = 5
The answer should be 70 :)
For this case we must find the inverse of the following function:

Then, we follow the steps:
We change
by y:

We exchange the variables:

We clear the variable "y":

We change y for 

Answer:
