Answer:
x=1 
Step-by-step explanation:
you would substitute the first equation in for the y in the second equation 
x + 2x+3 =6 
then you would combine the x's 
3x +3 = 6
Then you would move the 3 to the other side with the six 
3x =6-3       3x = 3
Then finally you would divide the three 
3x/3 = 3/3   x=1 
 
        
             
        
        
        
D = {x|x is a whole number} 
E = {4}
F = {2, 4, 6, 8}
D ∩ F = {2, 4, 6, 8}
        
             
        
        
        
The answer is B. x = 65, y = 10.
        
             
        
        
        
Answer:
11 degress celcius
Step-by-step explanation:
there was an  original 5 but it increased by 6
5 + 6 = 11
11 degrees celcuis