Answer:

Step-by-step explanation:
We have been given that at midnight, the temperature was  . At noon, the temperature was
. At noon, the temperature was  .
. 
Since our temperature has increased to 23 degree Fahrenheit from -8 degree Fahrenheit, we can represent this increase in temperature as:

Therefore, the expression  represents the increase in temperature.
 represents the increase in temperature.  
 
        
                    
             
        
        
        
Answer:
d + c = 12
d = 2c − 3
Step-by-step explanation:
Youre welcome ma boi
 
        
             
        
        
        
Subtracting a negative number is the same as adding a positive number
assume your number is n
n - (-10) = 6 
n + 10 = 6 
subtract 10 from both sides